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 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 8 |
| 7 | 44 |
| 8 | 53 |
| 9 | 79 |
| 10 | 89 |
| 11 | 95 |
| 12 | 120 |
| 13 | 224 |
| 14 | 259 |
| 15 | 290 |
| 16 | 488 |
| 17 | 725 |
| 18 | 821 |
| 19 | 1815 |
| 20 | 3096 |
| 21 | 3100 |
| 22 | 3404 |
| 23 | 5909 |
| 24 | 8054 |
| 25 | 11879 |
| 26 | 17298 |
| 27 | 25588 |
| 28 | 41516 |
| 29 | 127324 |
| 30 | 191900 |