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 | 5 |
| 2 | 17 |
| 3 | 41 |
| 4 | 83 |
| 5 | 147 |
| 6 | 239 |
| 7 | 363 |
| 8 | 525 |
| 9 | 729 |
| 10 | 981 |
| 11 | 1285 |
| 12 | 1647 |
| 13 | 2071 |
| 14 | 2563 |
| 15 | 3127 |
| 16 | 3769 |
| 17 | 4493 |
| 18 | 5305 |
| 19 | 6209 |
| 20 | 7211 |
| 21 | 8315 |
| 22 | 9527 |
| 23 | 10851 |
| 24 | 12293 |
| 25 | 13857 |
| 26 | 15549 |
| 27 | 17373 |
| 28 | 19335 |
| 29 | 21439 |
| 30 | 23691 |
| 31 | 26095 |
| 32 | 28657 |
| 33 | 31381 |
| 34 | 34273 |
| 35 | 37337 |
| 36 | 40579 |
| 37 | 44003 |
| 38 | 47615 |
| 39 | 51419 |
| 40 | 55421 |
| 41 | 59625 |
| 42 | 64037 |