A generalized partition function.

Terms

a(0) =1a(1) =6a(2) =15a(3) =19a(4) =24a(5) =42a(6) =73a(7) =127a(8) =208a(9) =337a(10) =528a(11) =827a(12) =1263a(13) =1902a(14) =2819a(15) =4133a(16) =5986a(17) =8578a(18) =12146a(19) =17057a(20) =23711a(21) =32708a(22) =44726a(23) =60713a(24) =81800a(25) =109468a(26) =145526a(27) =192288a(28) =252521a(29) =329792