Row sums of triangle A136502.A136504Row sums of triangle A136502.Terms a(0) =1a(1) =0a(2) =1a(3) =-3a(4) =19a(5) =-223a(6) =5024a(7) =-221357a(8) =19276981a(9) =-3337101203External referencesoeis: A136504