Number of partitions of n into parts of 15 kinds.

Terms

a(0) =1a(1) =15a(2) =135a(3) =920a(4) =5220a(5) =25893a(6) =115700a(7) =475065a(8) =1817910a(9) =6551390a(10) =22414314a(11) =73265580a(12) =229972855a(13) =696109950a(14) =2039031360a(15) =5796944357a(16) =16036186005a(17) =43259046975a(18) =114012183695a(19) =294067720380a(20) =743368453326