%I #12 Sep 01 2019 02:39:38
%S 1,3,12,35,105,262,690,1590,3756,8221,17994,37363,77767,154747,307400,
%T 592377,1134126,2118344,3936532,7161970,12955028,23043927,40717240,
%U 70937194,122845251,210072976,357119309,600696846,1004415874,1663790776,2740918749,4477271509
%N Number of pairs (lambda,mu) of partitions lambda of 2n+1 and mu of n with mu <= lambda (by diagram containment).
%H Alois P. Heinz, <a href="/A303862/b303862.txt">Table of n, a(n) for n = 0..100</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>
%F a(n) = A259478(2n+1,n) = A303851(2n+1).
%Y Bisection (odd part) of A303851.
%Y Cf. A259478.
%K nonn
%O 0,2
%A _Alois P. Heinz_, May 01 2018
|