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A330327 a(1)=1; thereafter a(n) = (product of digits of b(n))*(product of digits of b(n-1)), where b = A329804. 2

%I #4 Dec 12 2019 21:08:32

%S 1,2,6,0,0,24,0,0,45,0,0,12,0,0,0,0,0,0,0,0,0,0,0,0,24,192,0,0,96,0,0,

%T 24,108,0,0,0,0,135,0,0,0,0,60,72,0,0,0,0,0,0,96,0,0,0,0,112,0,0,0,0,

%U 168,36,0,0,48,0,0,0,0,0,0,672,0,0,160,0,0,0,0,0,0,576,0,0,0,0,0,0,0,0,0,0,600

%N a(1)=1; thereafter a(n) = (product of digits of b(n))*(product of digits of b(n-1)), where b = A329804.

%C By definition, a(n) is also equal to the product of the digits of A330326(n).

%H N. J. A. Sloane, <a href="/A330327/b330327.txt">Table of n, a(n) for n = 1..10000</a>

%Y Cf. A329804, A330326.

%K nonn,base

%O 1,2

%A _N. J. A. Sloane_, Dec 12 2019

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Last modified August 23 20:14 EDT 2024. Contains 375396 sequences. (Running on oeis4.)