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A037466 a(n)=Sum{d(i)*7^i: i=0,1,...,m}, where Sum{d(i)*5^i: i=0,1,...,m} is the base 5 representation of n. 1

%I

%S 0,1,2,3,4,7,8,9,10,11,14,15,16,17,18,21,22,23,24,25,28,29,30,31,32,

%T 49,50,51,52,53,56,57,58,59,60,63,64,65,66,67,70,71,72,73,74,77,78,79,

%U 80,81,98,99,100,101,102,105,106,107,108,109,112,113,114,115

%N a(n)=Sum{d(i)*7^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="/A037466/b037466.txt">Table of n, a(n) for n = 0..1000</a>

%t Table[FromDigits[RealDigits[n, 5], 7], {n, 0, 100}]

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

%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 October 18 05:36 EDT 2021. Contains 348065 sequences. (Running on oeis4.)