Numerator of Laguerre(n, -6).

Terms

a(0) =1a(1) =7a(2) =31a(3) =109a(4) =331a(5) =4529a(6) =11453a(7) =190433a(8) =61391a(9) =928943a(10) =9677971a(11) =214858067a(12) =60236303a(13) =10492980947a(14) =137504412401a(15) =180206776249