Number of partitions satisfying 0 < cn(1,5) + cn(4,5) + cn(2,5) + cn(3,5).

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =5a(5) =6a(6) =11a(7) =15a(8) =22a(9) =30a(10) =40a(11) =56a(12) =77a(13) =101a(14) =135a(15) =173a(16) =231a(17) =297a(18) =385a(19) =490a(20) =622a(21) =792a(22) =1002a(23) =1255a(24) =1575a(25) =1951a(26) =2436a(27) =3010a(28) =3718a(29) =4565