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 | 1 |
2 | 3 |
3 | 21 |
4 | 235 |
5 | 3470 |
6 | 61933 |
7 | 1274893 |
8 | 29423331 |
9 | 747440115 |
10 | 20636072811 |
11 | 613611700946 |
12 | 19517927805840 |
13 | 660667692682175 |
14 | 23699856058131981 |
15 | 897955765812058192 |
16 | 35832679277251514074 |
17 | 1502303284645831488072 |
18 | 66031982339561373164915 |
19 | 3036884343153028302140119 |
20 | 145885192794643951791449387 |