Number of 5-gonal compositions of n into positive parts.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =5a(7) =15a(8) =35a(9) =65a(10) =121a(11) =185a(12) =305a(13) =420a(14) =640a(15) =826a(16) =1190a(17) =1470a(18) =2030a(19) =2430a(20) =3246a(21) =3795a(22) =4935a(23) =5665a(24) =7205a(25) =8151a(26) =10175a(27) =11375a(28) =13975a(29) =15470