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 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 10 |
| 5 | 22 |
| 6 | 37 |
| 7 | 68 |
| 8 | 106 |
| 9 | 137 |
| 10 | 225 |
| 11 | 310 |
| 12 | 376 |
| 13 | 538 |
| 14 | 685 |
| 15 | 716 |
| 16 | 1058 |
| 17 | 1288 |
| 18 | 1471 |
| 19 | 1842 |
| 20 | 2170 |
| 21 | 2327 |
| 22 | 2941 |
| 23 | 3388 |
| 24 | 3734 |
| 25 | 4412 |
| 26 | 4993 |
| 27 | 5444 |
| 28 | 6306 |
| 29 | 7042 |
| 30 | 7391 |
| 31 | 8680 |
| 32 | 9586 |
| 33 | 10289 |
| 34 | 11585 |
| 35 | 12682 |
| 36 | 13628 |
| 37 | 15078 |
| 38 | 16381 |
| 39 | 17440 |
| 40 | 19210 |
| 41 | 20740 |
| 42 | 21899 |
| 43 | 24038 |
| 44 | 25810 |
| 45 | 27245 |
| 46 | 29613 |
| 47 | 31648 |
| 48 | 33418 |
| 49 | 35992 |
| 50 | 38305 |