Expansion of Product_{m>=1} (1+m*q^m)^23.

Terms

a(0) =1a(1) =23a(2) =299a(3) =2898a(4) =23184a(5) =161253a(6) =1006250a(7) =5751679a(8) =30558053a(9) =152543797a(10) =721432513a(11) =3253563394a(12) =14065808815a(13) =58544010641a(14) =235435351628a(15) =917591584210