Number of partitions of the n-th n-gonal number into n-gonal numbers.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =21a(6) =56a(7) =144a(8) =370a(9) =926a(10) =2275a(11) =5482a(12) =12966a(13) =30124a(14) =68838a(15) =154934a(16) =343756a(17) =752689a(18) =1627701a(19) =3479226a(20) =7355608a(21) =15390682a(22) =31889732a(23) =65465473a(24) =133212912a(25) =268811363a(26) =538119723a(27) =1069051243a(28) =2108416588a(29) =4129355331