Generalized Stirling2 array S_{5,5}(n,k).

Terms

a(0) =1a(1) =120a(2) =600a(3) =600a(4) =200a(5) =25a(6) =1a(7) =14400a(8) =504000a(9) =2664000a(10) =4608000a(11) =3501000a(12) =1350360a(13) =284800a(14) =33800a(15) =2225a(16) =75a(17) =1a(18) =1728000a(19) =371520000a(20) =7629120000a(21) =42762240000a(22) =97388280000a(23) =110386900800a(24) =70137648000a(25) =26920728000a(26) =6548346000a(27) =1039382000