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 | 1 |
| 3 | 13 |
| 4 | 1 |
| 5 | 26 |
| 6 | 169 |
| 7 | 1 |
| 8 | 39 |
| 9 | 507 |
| 10 | 2197 |
| 11 | 1 |
| 12 | 52 |
| 13 | 1014 |
| 14 | 8788 |
| 15 | 28561 |
| 16 | 1 |
| 17 | 65 |
| 18 | 1690 |
| 19 | 21970 |
| 20 | 142805 |
| 21 | 371293 |
| 22 | 1 |
| 23 | 78 |
| 24 | 2535 |
| 25 | 43940 |
| 26 | 428415 |
| 27 | 2227758 |
| 28 | 4826809 |
| 29 | 1 |
| 30 | 91 |
| 31 | 3549 |
| 32 | 76895 |
| 33 | 999635 |
| 34 | 7797153 |
| 35 | 33787663 |
| 36 | 62748517 |
| 37 | 1 |
| 38 | 104 |
| 39 | 4732 |
| 40 | 123032 |
| 41 | 1999270 |
| 42 | 20792408 |