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A260780
Triangle read by rows: coefficients for predictor y(x_1) for step-by-step integration.
12
1, 3, -1, 23, -16, 5, 165, -177, 111, -27, 3802, -5548, 5232, -2548, 502, 21385, -39615, 49910, -36490, 14385, -2375, 993605, -2235440, 3527745, -3441280, 2035695, -672360, 95435
OFFSET
0,2
EXAMPLE
Triangle begins:
1;
3, -1;
23, -16, 5;
165, -177, 111, -27;
3802, -5548, 5232, -2548, 502;
...
CROSSREFS
Row sums = A002397.
Diagonals (up to signs in some cases) include A002398, A002399, A002400, A002401, A002404.
The following sequences are taken from page 231 of Pickard (1964): A002397, A002398, A002399, A002400, A002401, A002402, A002403, A002404, A002405, A002406, A260780, A260781.
Sequence in context: A306619 A335644 A027477 * A243769 A137330 A270277
KEYWORD
sign,tabl,more,changed
AUTHOR
N. J. A. Sloane, Aug 02 2015
EXTENSIONS
a(15)-a(27) from Robert Price, Sep 09 2019
STATUS
approved