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Number of n-member subsets of [8*n] whose elements sum to a multiple of eight.
2

%I #4 Aug 29 2018 17:12:31

%S 1,1,14,253,4508,82251,1533686,28989675,553275192,10639125640,

%T 205811431514,4000751045226,78083583349868,1529143625215220,

%U 30032524962905850,591315394579074378,11667877650711051896,230672804560960311000,4568131162533134953328

%N Number of n-member subsets of [8*n] whose elements sum to a multiple of eight.

%H Alois P. Heinz, <a href="/A318596/b318596.txt">Table of n, a(n) for n = 0..765</a>

%e a(2) = 14: {1,7}, {1,15}, {2,6}, {2,14}, {3,5}, {3,13}, {4,12}, {5,11}, {6,10}, {7,9}, {8,16}, {9,15}, {10,14}, {11,13}.

%Y Column k=8 of A318557.

%K nonn

%O 0,3

%A _Alois P. Heinz_, Aug 29 2018