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) |
---|---|
1 | 3 |
2 | 7 |
3 | 21 |
4 | 47 |
5 | 329 |
6 | 987 |
7 | 2207 |
8 | 103729 |
9 | 726103 |
10 | 2178309 |
11 | 4870847 |
12 | 10749959329 |
13 | 505248088463 |
14 | 3536736619241 |
15 | 10610209857723 |
16 | 23725150497407 |
17 | 115561578124843393729 |
18 | 255044402921529369959903 |
19 | 11987086937311880388115441 |
20 | 83909608561183162716808087 |
21 | 251728825683549488150424261 |