Triangle of the fourth power of the normalized, unsigned Stirling matrix of the first kind.

Terms

a(0) =1a(1) =15a(2) =1a(3) =1175a(4) =120a(5) =1a(6) =294330a(7) =36935a(8) =510a(9) =1a(10) =181082204a(11) =25816200a(12) =460035a(13) =1560a(14) =1a(15) =231844265940a(16) =36133755364a(17) =757122975a(18) =3411835a(19) =3885a(20) =1a(24) =11690792400a(25) =18037810a(26) =8400a(27) =1a(32) =117282133080a(33) =75042450a(34) =16380a(35) =1