Nonprime partition numbers.

Terms

a(0) =1a(1) =15a(2) =22a(3) =30a(4) =42a(5) =56a(6) =77a(7) =135a(8) =176a(9) =231a(10) =297a(11) =385a(12) =490a(13) =627a(14) =792a(15) =1002a(16) =1255a(17) =1575a(18) =1958a(19) =2436a(20) =3010a(21) =3718a(22) =4565a(23) =5604a(24) =6842a(25) =8349a(26) =10143a(27) =12310a(28) =14883a(29) =21637