G.f.: 1 / Product_{i>=1} (1-q^(2*i-1))^2*(1-q^(12*i-8))*(1-q^(12*i-6))*(1-q^(12*i-4))*(1-q^(12*i)).

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =10a(5) =16a(6) =26a(7) =40a(8) =60a(9) =90a(10) =131a(11) =188a(12) =269a(13) =378a(14) =525a(15) =726a(16) =993a(17) =1346a(18) =1816a(19) =2430a(20) =3230a(21) =4274a(22) =5619a(23) =7348a(24) =9570a(25) =12400a(26) =15994a(27) =20554a(28) =26303a(29) =33530