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A284988 Number of distinct products i*j*k*l*m for 1 <= i <= j <= k <= l <= m <= n. 2

%I #11 Apr 09 2017 10:20:07

%S 1,6,21,36,91,126,266,336,441,546,994,1120,1890,2184,2562,2856,4482,

%T 4932,7392,8052,9042,10032,14377,15092,17237,18887,20812,22297,30635,

%U 31856,42783,45240,49023,52806,57707,59436,77623,83083,89180,92365,118188,122248,154188

%N Number of distinct products i*j*k*l*m for 1 <= i <= j <= k <= l <= m <= n.

%H Seiichi Manyama, <a href="/A284988/b284988.txt">Table of n, a(n) for n = 1..100</a>

%Y Cf. A027424, A027425, A100437.

%K nonn

%O 1,2

%A _Seiichi Manyama_, Apr 07 2017

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)