Expansion of Product_{k>=1} 1/(1-x^k)^(k*(k-1)*(k-2)/6).

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =4a(5) =10a(6) =21a(7) =39a(8) =76a(9) =145a(10) =294a(11) =581a(12) =1169a(13) =2276a(14) =4435a(15) =8494a(16) =16237a(17) =30768a(18) =58221a(19) =109466a(20) =205223a(21) =382658a(22) =710808a(23) =1314091a(24) =2420437a(25) =4439753a(26) =8115645a(27) =14781062a(28) =26833241a(29) =48550863