Triangle, read by rows, equal to the matrix inverse of Q=A113381.

Terms

a(0) =1a(1) =-2a(2) =1a(3) =4a(4) =-5a(5) =1a(6) =21a(7) =-5a(8) =-8a(9) =1a(10) =130a(11) =20a(12) =-32a(13) =-11a(14) =1a(15) =1106a(16) =840a(17) =-260a(18) =-77a(19) =-14a(20) =1a(21) =10044a(22) =24865a(23) =-2584a(24) =-1089a(25) =-140a(26) =-17a(27) =1a(28) =-18366a(29) =823383