Expansion of Product_{i>=1, j>=0} (1 + x^(i * 6^j)).

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =5a(7) =6a(8) =7a(9) =10a(10) =12a(11) =15a(12) =20a(13) =24a(14) =29a(15) =37a(16) =44a(17) =53a(18) =67a(19) =79a(20) =94a(21) =115a(22) =135a(23) =160a(24) =193a(25) =226a(26) =265a(27) =315a(28) =367a(29) =428