Coefficients in the expansion of Product_{m>=1} (1 - q^(13*m))/(1 - q^m).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =11a(7) =15a(8) =22a(9) =30a(10) =42a(11) =56a(12) =77a(13) =100a(14) =134a(15) =174a(16) =228a(17) =292a(18) =378a(19) =479a(20) =612a(21) =770a(22) =972a(23) =1213a(24) =1519a(25) =1881a(26) =2334a(27) =2874a(28) =3540a(29) =4331