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A037468 a(n)=Sum{d(i)*9^i: i=0,1,...,m}, where Sum{d(i)*5^i: i=0,1,...,m} is the base 5 representation of n. 2

%I #10 Aug 03 2014 14:27:16

%S 0,1,2,3,4,9,10,11,12,13,18,19,20,21,22,27,28,29,30,31,36,37,38,39,40,

%T 81,82,83,84,85,90,91,92,93,94,99,100,101,102,103,108,109,110,111,112,

%U 117,118,119,120,121,162,163,164,165,166,171,172,173,174,175

%N a(n)=Sum{d(i)*9^i: i=0,1,...,m}, where Sum{d(i)*5^i: i=0,1,...,m} is the base 5 representation of n.

%H Clark Kimberling, <a href="/A037468/b037468.txt">Table of n, a(n) for n = 0..1000</a>

%t Table[FromDigits[RealDigits[n, 5], 9], {n, 0, 100}]

%t (* _Clark Kimberling_, Aug 14 2012 *)

%Y Cf. A051382.

%K nonn,base

%O 0,3

%A _Clark Kimberling_

%E Offset changed to 0 by _Clark Kimberling_, Aug 14 2012

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Last modified April 23 13:51 EDT 2024. Contains 371914 sequences. (Running on oeis4.)