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 | 1 |
| 2 | 2 |
| 3 | 14 |
| 4 | 22 |
| 5 | 1582 |
| 6 | 11266 |
| 7 | 52766 |
| 8 | 76202 |
| 9 | 100562 |
| 10 | 494371 |
| 11 | 641141 |
| 12 | 1698494 |
| 13 | 66593158 |
| 14 | 469296521 |
| 15 | 10917186079 |
| 16 | 12062558662 |
| 17 | 4928050067287 |
| 18 | 5315948729617 |
| 19 | 29841213777637 |
| 20 | 113215787397262 |
| 21 | 778590786358582 |
| 22 | 787324867879046 |