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

Terms

a(0) =1a(1) =0a(2) =1a(3) =3a(4) =3a(5) =8a(6) =12a(7) =21a(8) =34a(9) =59a(10) =93a(11) =150a(12) =242a(13) =377a(14) =595a(15) =922a(16) =1419a(17) =2171a(18) =3310a(19) =4988a(20) =7507a(21) =11218a(22) =16674a(23) =24676a(24) =36353a(25) =53295a(26) =77828a(27) =113209a(28) =163989a(29) =236736