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A303857 Number of pairs (lambda,mu) of partitions lambda of n and mu of seven with mu <= lambda (by diagram containment).

%I A303857 #9 Feb 16 2025 08:33:54
%S A303857 15,45,99,186,314,503,759,1119,1590,2231,3047,4135,5496,7273,9478,
%T A303857 12300,15771,20169,25528,32230,40370,50440,62595,77528,95454,117305,
%U A303857 143453,175090,212803,258201,312087,376603,452975,543952,651285,778642,928419,1105423
%N A303857 Number of pairs (lambda,mu) of partitions lambda of n and mu of seven with mu <= lambda (by diagram containment).
%H A303857 Alois P. Heinz, <a href="/A303857/b303857.txt">Table of n, a(n) for n = 7..1000</a>
%H A303857 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/FerrersDiagram.html">Ferrers Diagram</a>
%H A303857 Wikipedia, <a href="https://en.wikipedia.org/wiki/Ferrers_diagram">Ferrers diagram</a>
%Y A303857 Column k=7 of A259478.
%K A303857 nonn
%O A303857 7,1
%A A303857 _Alois P. Heinz_, May 01 2018