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A037080 In ternary expansion of n, reading from right to left, successive runs of the digits occur in order ...,0,1,2,0,1,2,... +0
2
0, 1, 2, 3, 4, 7, 8, 9, 11, 12, 13, 21, 22, 25, 26, 27, 29, 34, 35, 36, 38, 39, 40, 63, 65, 66, 67, 75, 76, 79, 80, 81, 83, 88, 89, 102, 103, 106, 107, 108, 110, 115, 116, 117, 119, 120, 121, 189, 191, 196, 197, 198, 200, 201, 202, 225, 227, 228, 229, 237, 238, 241 (list; graph; listen)
OFFSET

0,3

EXAMPLE

For example, any number whose ternary expansion is 11..100..02..211..11 passes the test.

CROSSREFS

Cf. A037078-A037081.

Adjacent sequences: A037077 A037078 A037079 this_sequence A037081 A037082 A037083

Sequence in context: A070942 A073798 A124375 this_sequence A022162 A022164 A074215

KEYWORD

nonn,base,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Erich Friedman (erich.friedman(AT)stetson.edu)

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Last modified November 7 06:03 EST 2009. Contains 165913 sequences.


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