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 | 4 |
| 2 | 7 |
| 3 | 18 |
| 4 | 26 |
| 5 | 68 |
| 6 | 91 |
| 7 | 248 |
| 8 | 318 |
| 9 | 900 |
| 10 | 1122 |
| 11 | 3278 |
| 12 | 4004 |
| 13 | 12012 |
| 14 | 14443 |
| 15 | 44304 |
| 16 | 52598 |
| 17 | 164424 |
| 18 | 193154 |
| 19 | 613700 |
| 20 | 714476 |
| 21 | 2302344 |
| 22 | 2659582 |
| 23 | 8677072 |
| 24 | 9954860 |
| 25 | 32836180 |
| 26 | 37442160 |
| 27 | 124715430 |
| 28 | 141430680 |
| 29 | 475237500 |
| 30 | 536257995 |
| 31 | 1816267680 |
| 32 | 2040199590 |
| 33 | 6959878200 |