a(n) = number of pairs (p,q) of partitions of n such that d(p,q) < o(p,q), where d and o are distance functions; see Comments.

A368565

a(n) = number of pairs (p,q) of partitions of n such that d(p,q) < o(p,q), where d and o are distance functions; see Comments.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =30a(6) =106a(7) =316a(8) =652a(9) =1388a(10) =2618a(11) =5170a(12) =9164a(13) =16790a(14) =29046a(15) =50714a(16) =84732a(17) =143588a(18) =234048a(19) =385210a(20) =617050a(21) =990868a(22) =1558310a(23) =2459300a(24) =3806838a(25) =5900184

External references