Number of basis partitions (or basic partitions) of n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =6a(7) =8a(8) =10a(9) =13a(10) =16a(11) =20a(12) =26a(13) =32a(14) =40a(15) =50a(16) =61a(17) =74a(18) =90a(19) =108a(20) =130a(21) =156a(22) =186a(23) =222a(24) =264a(25) =313a(26) =370a(27) =436a(28) =512a(29) =600