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 | 4 |
| 4 | 9 |
| 5 | 14 |
| 6 | 30 |
| 7 | 37 |
| 8 | 87 |
| 9 | 121 |
| 10 | 166 |
| 11 | 174 |
| 12 | 475 |
| 13 | 484 |
| 14 | 547 |
| 15 | 651 |
| 16 | 2605 |
| 17 | 2615 |
| 18 | 3598 |
| 19 | 3606 |
| 20 | 4723 |
| 21 | 4887 |
| 22 | 4946 |
| 23 | 4953 |
| 24 | 29953 |
| 25 | 30164 |
| 26 | 30260 |
| 27 | 32652 |
| 28 | 34506 |
| 29 | 34514 |
| 30 | 40226 |
| 31 | 40238 |
| 32 | 2841562 |
| 33 | 2841724 |
| 34 | 2841839 |
| 35 | 2842246 |
| 36 | 2963525 |
| 37 | 2963536 |
| 38 | 2963612 |
| 39 | 2963918 |
| 40 | 3279760 |
| 41 | 3279770 |
| 42 | 3289261 |
| 43 | 3289271 |
| 44 | 3291384 |
| 45 | 3302307 |
| 46 | 3302363 |
| 47 | 3302369 |