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 A260780 Triangle read by rows: coefficients 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 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..27. W. F. Pickard, Tables for the step-by-step integration of ordinary differential equations of the first order, J. ACM 11 (1964), 229-233. W. F. Pickard, Tables for the step-by-step integration of ordinary differential equations of the first order, J. ACM 11 (1964), 229-233. [Annotated scanned copy] See Table II. 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 Adjacent sequences: A260777 A260778 A260779 * A260781 A260782 A260783 KEYWORD sign,tabl,more AUTHOR N. J. A. Sloane, Aug 02 2015 EXTENSIONS a(15)-a(27) from Robert Price, Sep 09 2019 STATUS approved

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Last modified September 15 19:05 EDT 2024. Contains 375954 sequences. (Running on oeis4.)