Expansion of Product_{m>=1} (1+m*q^m)^22.

Terms

a(0) =1a(1) =22a(2) =275a(3) =2574a(4) =19943a(5) =134618a(6) =816596a(7) =4543396a(8) =23522279a(9) =114532572a(10) =528773278a(11) =2329635750a(12) =9845310101a(13) =40080724376a(14) =157739993037a(15) =601928809878