|
| |
|
|
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, 1, 2, -1, 0, 6, 1, 0, -6, 4, -19, 0, 120, -120, 30, 27
(list; table; graph; refs; listen; history; 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.
|
|
|
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 (bpcrtz(AT)free.fr), Mar 10 2009
|
| |
|
|
