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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). 2
1, 1, 2, -1, 0, 6, 1, 0, -6, 4, -19, 0, 120, -120, 30, 27 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

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

REFERENCES

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

LINKS

Table of n, a(n) for n=0..15.

EXAMPLE

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

CROSSREFS

Cf. A141417.

Sequence in context: A137477 A181297 A196776 * A119275 A129462 A122930

Adjacent sequences:  A157979 A157980 A157981 * A157983 A157984 A157985

KEYWORD

tabl,sign

AUTHOR

Paul Curtz, Mar 10 2009

STATUS

approved

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Last modified August 10 04:38 EDT 2020. Contains 336368 sequences. (Running on oeis4.)