Generalized Stirling number triangle of first kind.

Terms

a(0) =1a(1) =-9a(2) =1a(3) =90a(4) =-19a(5) =1a(6) =-990a(7) =299a(8) =-30a(9) =1a(10) =11880a(11) =-4578a(12) =659a(13) =-42a(14) =1a(15) =-154440a(16) =71394a(17) =-13145a(18) =1205a(19) =-55a(20) =1a(21) =2162160a(22) =-1153956a(23) =255424a(24) =-30015a(25) =1975a(26) =-69a(27) =1a(28) =-32432400a(29) =19471500