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.

A111977 Row sums of triangle A111975, which shifts columns left and up under matrix square.

Table of values

n a(n)
0 1
1 2
2 4
3 13
4 57
5 369
6 3681
7 59073
8 1579393
9 72188673
10 5749089793
11 809616264193
12 204018868459521
13 92907742733348865
14 77097057406948106241
15 117413997231333438701569
16 330195264668839727287861249

List of values

[1, 2, 4, 13, 57, 369, 3681, 59073, 1579393, 72188673, 5749089793, 809616264193, 204018868459521, 92907742733348865, 77097057406948106241, 117413997231333438701569, 330195264668839727287861249]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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