Convolution of A000203 with partition function (A000041) of positive integers.

Terms

a(0) =1a(1) =5a(2) =13a(3) =29a(4) =54a(5) =97a(6) =161a(7) =257a(8) =402a(9) =604a(10) =896a(11) =1299a(12) =1866a(13) =2616a(14) =3665a(15) =5031a(16) =6891a(17) =9290a(18) =12498a(19) =16600a(20) =22008a(21) =28841a(22) =37740a(23) =48919a(24) =63294a(25) =81230a(26) =104048a(27) =132355a(28) =168048a(29) =212070