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 | 4 |
| 2 | 21 |
| 3 | 52 |
| 4 | 29 |
| 5 | 246 |
| 6 | 701 |
| 7 | 844 |
| 8 | 426 |
| 9 | 2478 |
| 10 | 5990 |
| 11 | 6334 |
| 12 | 2358 |
| 13 | 13766 |
| 14 | 29096 |
| 15 | 26976 |
| 16 | 9735 |
| 17 | 50294 |
| 18 | 100963 |
| 19 | 89428 |
| 20 | 29011 |
| 21 | 149198 |
| 22 | 283043 |
| 23 | 237216 |
| 24 | 75948 |
| 25 | 368044 |
| 26 | 680922 |
| 27 | 557638 |
| 28 | 169158 |
| 29 | 816740 |
| 30 | 1464838 |
| 31 | 1163616 |
| 32 | 350485 |
| 33 | 1633894 |
| 34 | 2887309 |
| 35 | 2261850 |