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 A303854 Number of pairs (lambda,mu) of partitions lambda of n and mu of four with mu <= lambda (by diagram containment). 2

%I

%S 5,12,25,42,70,105,158,223,319,434,595,793,1059,1382,1811,2329,3003,

%T 3819,4858,6114,7701,9607,11984,14843,18370,22594,27774,33953,41473,

%U 50430,61250,74102,89555,107842,129715,155550,186298,222508,265444,315864,375415

%N Number of pairs (lambda,mu) of partitions lambda of n and mu of four with mu <= lambda (by diagram containment).

%H Alois P. Heinz, <a href="/A303854/b303854.txt">Table of n, a(n) for n = 4..1000</a>

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/FerrersDiagram.html">Ferrers Diagram</a>

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Ferrers_diagram">Ferrers diagram</a>

%Y Column k=4 of A259478.

%K nonn

%O 4,1

%A _Alois P. Heinz_, May 01 2018

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Last modified September 22 22:24 EDT 2020. Contains 337291 sequences. (Running on oeis4.)