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 | 12 |
| 4 | 13 |
| 5 | 22 |
| 6 | 29 |
| 7 | 88 |
| 8 | 284 |
| 9 | 370 |
| 10 | 781 |
| 11 | 1116 |
| 12 | 1472 |
| 13 | 1518 |
| 14 | 1592 |
| 15 | 2431 |
| 16 | 2475 |
| 17 | 2625 |
| 18 | 3286 |
| 19 | 5264 |
| 20 | 6264 |
| 21 | 6444 |
| 22 | 7512 |
| 23 | 7875 |
| 24 | 9900 |
| 25 | 22515 |
| 26 | 30248 |
| 27 | 30946 |
| 28 | 31500 |
| 29 | 32995 |
| 30 | 41580 |
| 31 | 69920 |
| 32 | 112320 |
| 33 | 126000 |
| 34 | 140580 |
| 35 | 142668 |
| 36 | 166084 |
| 37 | 166968 |
| 38 | 225354 |
| 39 | 232000 |
| 40 | 272538 |
| 41 | 290064 |
| 42 | 312000 |