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 | 2 |
| 3 | 10 |
| 4 | 22 |
| 5 | 46 |
| 6 | 76 |
| 7 | 148 |
| 8 | 232 |
| 9 | 352 |
| 10 | 487 |
| 11 | 727 |
| 12 | 991 |
| 13 | 1279 |
| 14 | 1643 |
| 15 | 2035 |
| 16 | 2455 |
| 17 | 3095 |
| 18 | 3775 |
| 19 | 4495 |
| 20 | 5350 |
| 21 | 6250 |
| 22 | 7195 |
| 23 | 8515 |
| 24 | 9895 |
| 25 | 11335 |
| 26 | 12835 |
| 27 | 14551 |
| 28 | 16333 |
| 29 | 18181 |
| 30 | 20095 |
| 31 | 22255 |
| 32 | 24487 |
| 33 | 26791 |
| 34 | 29167 |
| 35 | 32261 |
| 36 | 35446 |
| 37 | 38722 |
| 38 | 42089 |
| 39 | 45813 |
| 40 | 49635 |
| 41 | 53555 |