Number of partitions of n into parts of 20 kinds.

Terms

a(0) =1a(1) =20a(2) =230a(3) =1960a(4) =13685a(5) =82524a(6) =443870a(7) =2175800a(8) =9869990a(9) =41907380a(10) =168012824a(11) =640438680a(12) =2334121995a(13) =8171039800a(14) =27580783270a(15) =90058003200a(16) =285253928790a(17) =878572253720