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A037475 a(n)=Sum{d(i)*9^i: i=0,1,...,m}, where Sum{d(i)*7^i: i=0,1,...,m} is the base 7 representation of n. 2
0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 23, 24, 27, 28, 29, 30, 31, 32, 33, 36, 37, 38, 39, 40, 41, 42, 45, 46, 47, 48, 49, 50, 51, 54, 55, 56, 57, 58, 59, 60, 81, 82, 83, 84, 85, 86, 87, 90, 91, 92, 93, 94, 95, 96, 99, 100, 101, 102 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
Table[FromDigits[RealDigits[n, 7], 9], {n, 0, 100}]
(* Clark Kimberling, Aug 14 2012 *)
CROSSREFS
Sequence in context: A039153 A272574 A039111 * A354047 A031487 A047422
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Offset changed to 0 by Clark Kimberling, Aug 14 2012
STATUS
approved

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Last modified May 29 14:11 EDT 2024. Contains 372952 sequences. (Running on oeis4.)