A157982 Triangle T(n,m) read by rows which contains the coefficients [x^m] of the polynomial generating the numerators of the column A140825(.,n).

1, 1, 2, -1, 0, 6, 1, 0, -6, 4, -19, 0, 120, -120, 30, 27

Offset: 0

Author

Paul Curtz, Mar 10 2009

Keywords

• tabl
• sign

Comments

The first five polynomials describing the first five columns of A140825 are in A000012, A005408, A140811, A141530 and A157411.

Examples

			1;
1,2;     # 2n+1
-1,0,6;  # 6n^2-1
1,0,-6,4;  # 4n^3-6n^2+1, A141530
-19,0,120,-120,30;  # 30n^4-120n^3+120n^2-19, A157411
		

References

• P Curtz Integration numerique des systemes differentiels a conditions initiales, C.C.S.A., Arcueil, 1969, p.36.

Crossrefs

Cf. A141417.