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A037463 a(n)=Sum{d(i)*9^i: i=0,1,...,m}, where Sum{d(i)*4^i: i=0,1,...,m} is the base 4 representation of n. 1
0, 1, 2, 3, 9, 10, 11, 12, 18, 19, 20, 21, 27, 28, 29, 30, 81, 82, 83, 84, 90, 91, 92, 93, 99, 100, 101, 102, 108, 109, 110, 111, 162, 163, 164, 165, 171, 172, 173, 174, 180, 181, 182, 183, 189, 190, 191, 192, 243, 244, 245, 246, 252, 253, 254, 255, 261 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Clark Kimberling, Table of n, a(n) for n = 0..1000

MATHEMATICA

Table[FromDigits[RealDigits[n, 4], 9], {n, 0, 100}]

(* Clark Kimberling, Aug 14 2012 *)

CROSSREFS

Sequence in context: A235499 A242590 A135204 * A309348 A270886 A133557

Adjacent sequences:  A037460 A037461 A037462 * A037464 A037465 A037466

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

EXTENSIONS

Offset changed to 0 by Clark Kimberling, Aug 14 2012

STATUS

approved

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Last modified October 26 08:00 EDT 2021. Contains 348267 sequences. (Running on oeis4.)