a(n,m) tabl head (triangle) for A130182 (v=1 member of a family of orthogonal polynomials) n\m 0 1 2 3 4 5 6 7 8 9 ... 0 1 0 0 0 0 0 0 0 0 0 1 -2 1 0 0 0 0 0 0 0 0 2 0 -2 1 0 0 0 0 0 0 0 3 0 -12 4 1 0 0 0 0 0 0 4 0 -144 28 20 1 0 0 0 0 0 5 0 -2880 216 508 50 1 0 0 0 0 6 0 -86400 -2592 17400 2548 98 1 0 0 0 7 0 -3628800 -449280 788688 153760 8568 168 1 0 0 8 0 -203212800 -42405120 46032768 11269008 811648 23016 264 1 0 9 0 -14631321600 -4187635200 3372731136 1000957536 87627024 3203632 53256 390 1 . . . Row sums give A130183 = [1,-1,-1,-7,-95,-2105,-68945,-3126895,-187481215,-14354383825,...]. Unsigned row sums give A130184 = [1,3,3,17,193,3655,109039,5029265,303754625,23283529775,...]. The column sequences (without leading zeros) give [1,-2,0,..], A010790(n-1)*(-1)^(n-1), A130185, A130186 for m=0,1,2,3. ###################################### e.o.f. #####################################################