Number of pairs (p,q) of partitions of n such that the set of parts in q is a proper subset of the set of parts in p.
A369910
Number of pairs (p,q) of partitions of n such that the set of parts in q is a proper subset of the set of parts in p.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =3a(5) =4a(6) =15a(7) =20a(8) =52a(9) =83a(10) =163a(11) =246a(12) =501a(13) =727a(14) =1295a(15) =1994a(16) =3375a(17) =4969a(18) =8267a(19) =12036a(20) =19287a(21) =28270a(22) =43511a(23) =62799a(24) =96364a(25) =137358a(26) =204388a(27) =291607a(28) =427446a(29) =601257
External references
- oeis: A369910