Search: id:A058410
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%I A058410
%S A058410 1,5,45,407,3411,25142,163711,947909,4949257,23579022,103592423,
%T A058410 423435205,1622413728,5864055622,20102107500,65660463140,205176581382,
%U A058410 615506305973,1778086106680
%N A058410 Number of 4 X n nonnegative integer matrices with all column sums 4, 
               up to row and column permutation.
%H A058410 <a href="a58407.pdf">Number of m x l nonnegative integer matrices with 
               all column sums equal to n, up to row and column permutation</a>
%F A058410 G.f.: 1 / 24*(1 / (1 - x)^35 + 6 / (1 - x)^9 / (1 - x^2)^13 + 3 / (1 
               - x)^3 / (1 - x^2)^16 + 8 / (1 - x)^2 / (1 - x^3)^11 + 6 / (1 - x) 
               / (1 - x^2) / (1 - x^4)^8).
%Y A058410 Cf. A050532, A058390, A058407-A058409.
%Y A058410 Sequence in context: A088505 A067403 A022022 this_sequence A005979 A165225 
               A121272
%Y A058410 Adjacent sequences: A058407 A058408 A058409 this_sequence A058411 A058412 
               A058413
%K A058410 easy,nonn
%O A058410 0,2
%A A058410 Vladeta Jovovic (vladeta(AT)eunet.rs), Nov 25 2000

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