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A336879 a(n) is the product of the decimal digits of A336876(n). 2

%I #9 Aug 06 2020 16:03:22

%S 0,1,2,3,1,4,2,5,6,3,2,7,4,8,5,9,4,3,6,1,7,6,8,4,9,8,2,2,10,5,9,12,8,

%T 3,6,14,3,12,2,16,4,4,7,12,10,18,15,4,5,18,6,16,6,12,5,21,6,15,9,4,4,

%U 20,24,3,8,6,8,14,27,9,20,24,1,18,8,9,10,6,16

%N a(n) is the product of the decimal digits of A336876(n).

%H Rémy Sigrist, <a href="/A336879/b336879.txt">Table of n, a(n) for n = 1..10000</a>

%H Rémy Sigrist, <a href="/A336879/a336879.txt">C program for A336879</a>

%F a(n) = A007954(A336876(n)).

%F a(n) * A336876(n) = A336826(n).

%e For n = 26:

%e - A336876(26) = 24,

%e - so a(26) = 2*4 = 8.

%o (C) See Links section.

%Y Cf. A007954, A336826, A336876.

%K nonn,look,base

%O 1,3

%A _Rémy Sigrist_, Aug 06 2020

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Last modified August 18 03:17 EDT 2024. Contains 375255 sequences. (Running on oeis4.)