cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A260780 Triangle read by rows: coefficients for predictor y(x_1) for step-by-step integration.

Original entry on oeis.org

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

Views

Author

N. J. A. Sloane, Aug 02 2015

Keywords

Examples

			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.

Extensions

a(15)-a(27) from Robert Price, Sep 09 2019