Expansion of Product_{k>=1} 1/(1 - x^(2*k-1))^(k*(3*k+1)/2).

Terms

a(0) =1a(1) =2a(2) =3a(3) =11a(4) =19a(5) =42a(6) =93a(7) =170a(8) =352a(9) =658a(10) =1266a(11) =2351a(12) =4316a(13) =7926a(14) =14146a(15) =25458a(16) =44748a(17) =78687a(18) =136747a(19) =235988a(20) =405139a(21) =689108a(22) =1168260a(23) =1963940a(24) =3289950a(25) =5474700a(26) =9070976a(27) =14954802a(28) =24537752a(29) =40099905