Triangle of D-analogs of Stirling numbers of first kind.

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =-2a(5) =1a(6) =-6a(7) =11a(8) =-6a(9) =1a(10) =45a(11) =-84a(12) =50a(13) =-12a(14) =1a(15) =-420a(16) =809a(17) =-520a(18) =150a(19) =-20a(20) =1a(21) =4725a(22) =-9390a(23) =6439a(24) =-2100a(25) =355a(26) =-30a(27) =1a(28) =-62370a(29) =127539