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 | 41 |
| 3 | 56 |
| 4 | 74 |
| 5 | 103 |
| 6 | 157 |
| 7 | 384 |
| 8 | 491 |
| 9 | 537 |
| 10 | 868 |
| 11 | 1490 |
| 12 | 1710 |
| 13 | 4322 |
| 14 | 4523 |
| 15 | 4877 |
| 16 | 4942 |
| 17 | 5147 |
| 18 | 5407 |
| 19 | 7564 |
| 20 | 17576 |
| 21 | 67722 |
| 22 | 131455 |
| 23 | 220641 |
| 24 | 438895 |
| 25 | 443475 |
| 26 | 553878 |
| 27 | 571473 |
| 28 | 625611 |