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%I #4 Mar 11 2015 19:18:49
%S 0,22,1072,29601,619912,11114495,181183512,2780643510,41061951752,
%T 591934822191,8413431494820,118743727038442,1672710979428996,
%U 23607896213910671,334780182967095890,4780433697809258160,68848723689089441744,1001367352097382384733
%N Number of collections of nonempty multisets with a total of n+7 objects of exactly n colors.
%H Alois P. Heinz, <a href="/A255957/b255957.txt">Table of n, a(n) for n = 0..250</a>
%F a(n) = A255903(n+7,n)
%Y A diagonal of A255903.
%K nonn
%O 0,2
%A _Alois P. Heinz_, Mar 11 2015
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