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 | 19 |
| 3 | 54 |
| 4 | 106 |
| 5 | 175 |
| 6 | 261 |
| 7 | 364 |
| 8 | 484 |
| 9 | 621 |
| 10 | 775 |
| 11 | 946 |
| 12 | 1134 |
| 13 | 1339 |
| 14 | 1561 |
| 15 | 1800 |
| 16 | 2056 |
| 17 | 2329 |
| 18 | 2619 |
| 19 | 2926 |
| 20 | 3250 |
| 21 | 3591 |
| 22 | 3949 |
| 23 | 4324 |
| 24 | 4716 |
| 25 | 5125 |
| 26 | 5551 |
| 27 | 5994 |
| 28 | 6454 |
| 29 | 6931 |
| 30 | 7425 |
| 31 | 7936 |
| 32 | 8464 |
| 33 | 9009 |
| 34 | 9571 |
| 35 | 10150 |
| 36 | 10746 |
| 37 | 11359 |
| 38 | 11989 |
| 39 | 12636 |
| 40 | 13300 |