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 | 11 |
| 3 | 22 |
| 4 | 27 |
| 5 | 58 |
| 6 | 61 |
| 7 | 110 |
| 8 | 126 |
| 9 | 161 |
| 10 | 545 |
| 11 | 566 |
| 12 | 592 |
| 13 | 747 |
| 14 | 775 |
| 15 | 2286 |
| 16 | 5343 |
| 17 | 5360 |
| 18 | 5741 |
| 19 | 18245 |
| 20 | 78272 |
| 21 | 93999 |
| 22 | 140690 |
| 23 | 146338 |
| 24 | 227734 |
| 25 | 251721 |
| 26 | 274297 |
| 27 | 372294 |
| 28 | 447238 |
| 29 | 586777 |
| 30 | 808500 |
| 31 | 7185887 |
| 32 | 10479806 |
| 33 | 37485090 |
| 34 | 85742340 |
| 35 | 91332097 |
| 36 | 111764212 |
| 37 | 117522098 |
| 38 | 556747657 |
| 39 | 589122990 |