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 | 14 |
| 2 | 98 |
| 3 | 462 |
| 4 | 1666 |
| 5 | 4942 |
| 6 | 12642 |
| 7 | 28814 |
| 8 | 59906 |
| 9 | 115598 |
| 10 | 209762 |
| 11 | 361550 |
| 12 | 596610 |
| 13 | 948430 |
| 14 | 1459810 |
| 15 | 2184462 |
| 16 | 3188738 |
| 17 | 4553486 |
| 18 | 6376034 |
| 19 | 8772302 |
| 20 | 11879042 |
| 21 | 15856206 |
| 22 | 20889442 |
| 23 | 27192718 |
| 24 | 35011074 |
| 25 | 44623502 |
| 26 | 56345954 |
| 27 | 70534478 |