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.

A134277 Alternating row sums of triangle A134275 (S2(5)').

Table of values

n a(n)
1 1
2 4
3 41
4 519
5 9201
6 194819
7 4951381
8 144651394
9 4811109506
10 178860848394
11 7364318416206
12 332403272058269
13 16329673772560231
14 867235540509998269
15 49517829071816599856
16 3024950770151869836519
17 196866838411908745248981

List of values

[1, 4, 41, 519, 9201, 194819, 4951381, 144651394, 4811109506, 178860848394, 7364318416206, 332403272058269, 16329673772560231, 867235540509998269, 49517829071816599856, 3024950770151869836519, 196866838411908745248981]