Triangle T(n,k) read by rows: matrix inverse of A106246.

Terms

a(0) =1a(1) =-2a(2) =1a(3) =7a(4) =-4a(5) =1a(6) =-36a(7) =21a(8) =-6a(9) =1a(10) =246a(11) =-144a(12) =42a(13) =-8a(14) =1a(15) =-2100a(16) =1230a(17) =-360a(18) =70a(19) =-10a(20) =1a(21) =21510a(22) =-12600a(23) =3690a(24) =-720a(25) =105a(26) =-12a(27) =1a(28) =-257040a(29) =150570