Expansion of Product_{m>=1} (1 + m*q^m)^5.

Terms

a(0) =1a(1) =5a(2) =20a(3) =75a(4) =240a(5) =726a(6) =2075a(7) =5620a(8) =14645a(9) =36875a(10) =90057a(11) =214065a(12) =497170a(13) =1129670a(14) =2517425a(15) =5512125a(16) =11871310a(17) =25184930a(18) =52686885a(19) =108786970a(20) =221894842a(21) =447455885a(22) =892609420a(23) =1762608545a(24) =3447282925a(25) =6680871925a(26) =12835968690a(27) =24459374345a(28) =46243132855a(29) =86773966825