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 | 1 |
| 2 | 5 |
| 3 | 12 |
| 4 | 23 |
| 5 | 36 |
| 6 | 54 |
| 7 | 74 |
| 8 | 97 |
| 9 | 125 |
| 10 | 156 |
| 11 | 186 |
| 12 | 226 |
| 13 | 268 |
| 14 | 306 |
| 15 | 354 |
| 16 | 409 |
| 17 | 458 |
| 18 | 515 |
| 19 | 574 |
| 20 | 636 |
| 21 | 710 |
| 22 | 778 |
| 23 | 838 |
| 24 | 922 |
| 25 | 1013 |
| 26 | 1086 |
| 27 | 1168 |
| 28 | 1264 |
| 29 | 1350 |
| 30 | 1452 |
| 31 | 1556 |
| 32 | 1651 |
| 33 | 1762 |
| 34 | 1864 |
| 35 | 1966 |
| 36 | 2105 |
| 37 | 2234 |
| 38 | 2332 |
| 39 | 2448 |
| 40 | 2594 |
| 41 | 2726 |
| 42 | 2864 |
| 43 | 3004 |
| 44 | 3132 |
| 45 | 3294 |
| 46 | 3444 |
| 47 | 3564 |
| 48 | 3736 |
| 49 | 3917 |
| 50 | 4067 |