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

Terms

a(0) =1a(1) =6a(2) =45a(3) =260a(4) =1410a(5) =7026a(6) =33212a(7) =149190a(8) =643959a(9) =2681020a(10) =10820736a(11) =42468828a(12) =162566956a(13) =608302638a(14) =2229485529a(15) =8016901068a(16) =28324233846a(17) =98447346282a(18) =336996263702