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A032991 If d,e are consecutive digits of n in base 9, then |d-e|>=4. +0
1
1, 2, 3, 4, 5, 6, 7, 8, 14, 15, 16, 17, 24, 25, 26, 34, 35, 36, 44, 45, 46, 54, 55, 56, 63, 64, 65, 66, 72, 73, 74, 75, 76, 126, 127, 135, 136, 137, 144, 145, 146, 147, 153, 154, 155, 156, 157, 216, 217, 218, 225, 226, 227, 228, 234, 235 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Sequence in context: A033080 A090144 A162572 this_sequence A032870 A023763 A032904

Adjacent sequences: A032988 A032989 A032990 this_sequence A032992 A032993 A032994

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.


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