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 | 25 |
| 5 | 40 |
| 6 | 66 |
| 7 | 91 |
| 8 | 130 |
| 9 | 170 |
| 10 | 224 |
| 11 | 273 |
| 12 | 352 |
| 13 | 415 |
| 14 | 503 |
| 15 | 591 |
| 16 | 703 |
| 17 | 796 |
| 18 | 936 |
| 19 | 1045 |
| 20 | 1204 |
| 21 | 1346 |
| 22 | 1516 |
| 23 | 1659 |
| 24 | 1883 |
| 25 | 2051 |
| 26 | 2267 |
| 27 | 2469 |
| 28 | 2724 |
| 29 | 2923 |
| 30 | 3227 |
| 31 | 3446 |
| 32 | 3754 |
| 33 | 4022 |
| 34 | 4338 |
| 35 | 4612 |
| 36 | 5016 |
| 37 | 5297 |
| 38 | 5667 |
| 39 | 6005 |
| 40 | 6443 |
| 41 | 6766 |
| 42 | 7250 |
| 43 | 7595 |
| 44 | 8076 |
| 45 | 8509 |
| 46 | 8993 |
| 47 | 9382 |
| 48 | 9993 |