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.

A104991 Row sums of triangle A104990, which equals the matrix cube of triangle A104980.

Table of values

n a(n)
0 1
1 4
2 22
3 142
4 1048
5 8704
6 80386
7 817786
8 9093340
9 109794556
10 1431360958
11 20047830262
12 300343272952
13 4793871035416
14 81232799446906
15 1456671526257106
16 27562347560513524
17 548844246683051860
18 11474015910364016086

List of values

[1, 4, 22, 142, 1048, 8704, 80386, 817786, 9093340, 109794556, 1431360958, 20047830262, 300343272952, 4793871035416, 81232799446906, 1456671526257106, 27562347560513524, 548844246683051860, 11474015910364016086]