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 | 6 |
| 3 | 11 |
| 4 | 22 |
| 5 | 29 |
| 6 | 44 |
| 7 | 63 |
| 8 | 86 |
| 9 | 93 |
| 10 | 108 |
| 11 | 129 |
| 12 | 158 |
| 13 | 187 |
| 14 | 236 |
| 15 | 295 |
| 16 | 342 |
| 17 | 349 |
| 18 | 364 |
| 19 | 385 |
| 20 | 414 |
| 21 | 443 |
| 22 | 492 |
| 23 | 553 |
| 24 | 606 |
| 25 | 635 |
| 26 | 686 |
| 27 | 757 |
| 28 | 844 |
| 29 | 951 |
| 30 | 1108 |
| 31 | 1271 |
| 32 | 1366 |
| 33 | 1373 |
| 34 | 1388 |
| 35 | 1409 |
| 36 | 1438 |
| 37 | 1467 |
| 38 | 1516 |
| 39 | 1577 |
| 40 | 1630 |
| 41 | 1659 |
| 42 | 1710 |
| 43 | 1781 |
| 44 | 1868 |
| 45 | 1975 |
| 46 | 2132 |
| 47 | 2297 |
| 48 | 2398 |
| 49 | 2427 |
| 50 | 2478 |