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Search: id:A019586
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| A019586 |
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Vertical para-Fibonacci sequence: takes value i on later (i.e. b_j, j >= 2) terms of i-th Fibonacci sequence defined by b_0 = i, b_1 = [ tau(i+1) ]. |
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9
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| 0, 0, 0, 1, 0, 2, 1, 0, 3, 2, 1, 4, 0, 5, 3, 2, 6, 1, 7, 4, 0, 8, 5, 3, 9, 2, 10, 6, 1, 11, 7, 4, 12, 0, 13, 8, 5, 14, 3, 15, 9, 2, 16, 10, 6, 17, 1, 18, 11, 7, 19, 4, 20, 12, 0, 21, 13, 8, 22, 5, 23, 14, 3, 24, 15, 9, 25, 2, 26, 16, 10, 27, 6, 28, 17, 1, 29, 18, 11, 30, 7, 31, 19, 4, 32, 20, 12
(list; graph; listen)
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OFFSET
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1,6
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COMMENT
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Gives number of row in Wythoff array that contains n. - Casey Mongoven (cm(AT)caseymongoven.com), Sep 10 2005
Contribution from Clark Kimberling (ck6(AT)evansville.edu), Oct 29 2009: (Start)
For a method of generating this sequence that does not refer to the
Wythoff array or Fibonacci numbers, see A003603. (End)
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REFERENCES
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J. H. Conway, personal communication.
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LINKS
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N. J. A. Sloane, My favorite integer sequences, in Sequences and their Applications (Proceedings of SETA '98).
N. J. A. Sloane, Classic Sequences
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FORMULA
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Says which row of Wythoff array (starting row count at 0) contains n.
If delete first occurrence of 0, 1, 2, 3, ... the sequence is unchanged.
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CROSSREFS
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Equals A003603(n) - 1.
Cf. Wythoff array: A035513.
Sequence in context: A025648 A025655 A022336 this_sequence A063942 A106384 A094314
Adjacent sequences: A019583 A019584 A019585 this_sequence A019587 A019588 A019589
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KEYWORD
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nonn,nice,easy,eigen,new
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com) and J. H. Conway (conway(AT)math.princeton.edu)
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EXTENSIONS
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Casey Mongoven (CaseyBach(AT)aol.com) reports that where the sequence reads 15,9,2,16,10,6,29,1,30,11,7,19..., the 29 and 30 should be 17 and 18.
More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 29 2003
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