Generalized Stirling number triangle of first kind.

Terms

a(0) =1a(1) =-6a(2) =1a(3) =72a(4) =-18a(5) =1a(6) =-1296a(7) =396a(8) =-36a(9) =1a(10) =31104a(11) =-10800a(12) =1260a(13) =-60a(14) =1a(15) =-933120a(16) =355104a(17) =-48600a(18) =3060a(19) =-90a(20) =1a(21) =33592320a(22) =-13716864a(23) =2104704a(24) =-158760a(25) =6300a(26) =-126a(27) =1a(28) =-1410877440a(29) =609700608