Denominator of Laguerre(n, -7).

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =24a(5) =15a(6) =720a(7) =180a(8) =5760a(9) =6480a(10) =518400a(11) =1425600a(12) =68428800a(13) =27799200a(14) =1779148800a(15) =6671808000a(16) =426995712000a(17) =907365888000