G.f.: Sum_{k>=0} x^(8*k^2) / Product_{j=1..8*k-1} (1 - x^j).

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =1a(9) =1a(10) =2a(11) =3a(12) =5a(13) =7a(14) =11a(15) =15a(16) =21a(17) =28a(18) =38a(19) =49a(20) =65a(21) =82a(22) =105a(23) =131a(24) =164a(25) =201a(26) =248a(27) =300a(28) =364a(29) =436