A037455 - OEIS

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A037455

a(n)=Sum{d(i)*7^i: i=0,1,...,m}, where Sum{d(i)*3^i: i=0,1,...,m} is the base 3 representation of n.

2

0, 1, 2, 7, 8, 9, 14, 15, 16, 49, 50, 51, 56, 57, 58, 63, 64, 65, 98, 99, 100, 105, 106, 107, 112, 113, 114, 343, 344, 345, 350, 351, 352, 357, 358, 359, 392, 393, 394, 399, 400, 401, 406, 407, 408, 441, 442, 443, 448, 449, 450, 455, 456, 457, 686, 687

(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, 3], 7], {n, 0, 100}]

(* Clark Kimberling, Aug 13 2012 *)

CROSSREFS

Sequence in context: A260581 A179772 A047354 * A020675 A317303 A045980

Adjacent sequences: A037452 A037453 A037454 * A037456 A037457 A037458

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

EXTENSIONS

Changed offset to 0, Clark Kimberling, Aug 13 2012.

STATUS

approved