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 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 66 |
| 5 | 88 |
| 6 | 91 |
| 7 | 173 |
| 8 | 216 |
| 9 | 225 |
| 10 | 284 |
| 11 | 294 |
| 12 | 696 |
| 13 | 707 |
| 14 | 924 |
| 15 | 2235 |
| 16 | 2828 |
| 17 | 6996 |
| 18 | 9394 |
| 19 | 28314 |
| 20 | 30031 |
| 21 | 57489 |
| 22 | 69996 |
| 23 | 93844 |
| 24 | 188583 |
| 25 | 228175 |
| 26 | 241097 |
| 27 | 283778 |
| 28 | 298144 |
| 29 | 597883 |
| 30 | 699996 |
| 31 | 896478 |
| 32 | 1934063 |
| 33 | 2281817 |
| 34 | 6999996 |
| 35 | 7243225 |
| 36 | 17646619 |
| 37 | 17869169 |
| 38 | 19782199 |
| 39 | 23352327 |