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 | 0 |
| 1 | 1 |
| 2 | 5 |
| 3 | 51 |
| 4 | 70 |
| 5 | 210 |
| 6 | 330 |
| 7 | 590 |
| 8 | 715 |
| 9 | 1001 |
| 10 | 1080 |
| 11 | 1162 |
| 12 | 1520 |
| 13 | 1820 |
| 14 | 2035 |
| 15 | 2380 |
| 16 | 2501 |
| 17 | 3015 |
| 18 | 3290 |
| 19 | 3725 |
| 20 | 4030 |
| 21 | 4510 |
| 22 | 5017 |
| 23 | 5370 |
| 24 | 6112 |
| 25 | 6305 |
| 26 | 6501 |
| 27 | 6700 |
| 28 | 6902 |
| 29 | 7107 |
| 30 | 7740 |
| 31 | 8400 |
| 32 | 9087 |
| 33 | 9560 |
| 34 | 9801 |
| 35 | 10045 |
| 36 | 10292 |
| 37 | 10542 |
| 38 | 10795 |
| 39 | 11051 |
| 40 | 11310 |
| 41 | 11572 |
| 42 | 12105 |