Number of pairs (lambda,mu) of partitions lambda of n and mu of floor(n/2) with mu <= lambda (by diagram containment).
A303851
Number of pairs (lambda,mu) of partitions lambda of n and mu of floor(n/2) with mu <= lambda (by diagram containment).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =8a(5) =12a(6) =23a(7) =35a(8) =70a(9) =105a(10) =178a(11) =262a(12) =479a(13) =690a(14) =1119a(15) =1590a(16) =2687a(17) =3756a(18) =5960a(19) =8221a(20) =13203a(21) =17994a(22) =27728a(23) =37363a(24) =58293a(25) =77767a(26) =117084a(27) =154747a(28) =234579a(29) =307400
External references
- oeis: A303851