Numerator of Sum_{i=1..n} i^3/(n-i+1).

Terms

a(0) =1a(1) =17a(2) =94a(3) =965a(4) =841a(5) =6167a(6) =18044a(7) =225489a(8) =75220a(9) =4280111a(10) =899494a(11) =86645897a(12) =26288822a(13) =41914055a(14) =296912584a(15) =5893703327a(16) =1703822073a(17) =49486578079a(18) =14076109870a(19) =12725008135a(20) =1190932611a(21) =122366761563a(22) =203957791852