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.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 18 |
5 | 101 |
6 | 1550 |
7 | 22492 |
8 | 424536 |
9 | 10283064 |
10 | 272319552 |
11 | 8959493401 |
12 | 328044534576 |
13 | 13799304374077 |
14 | 657306569855728 |
15 | 34694458662034731 |
16 | 2048559070407831424 |
17 | 132868259271772801185 |
18 | 9463476338179250300352 |
19 | 736376651361995115417850 |
20 | 62178423492630241909006224 |
21 | 5689134205956573233701281462 |