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 | 3 |
| 3 | 11 |
| 4 | 31 |
| 5 | 33 |
| 6 | 93 |
| 7 | 251 |
| 8 | 341 |
| 9 | 601 |
| 10 | 753 |
| 11 | 1023 |
| 12 | 1801 |
| 13 | 1803 |
| 14 | 2761 |
| 15 | 4051 |
| 16 | 5403 |
| 17 | 6611 |
| 18 | 7781 |
| 19 | 8283 |
| 20 | 12153 |
| 21 | 18631 |
| 22 | 19811 |
| 23 | 19833 |
| 24 | 23343 |
| 25 | 44561 |
| 26 | 55831 |
| 27 | 55893 |
| 28 | 59433 |
| 29 | 85591 |
| 30 | 125581 |
| 31 | 133683 |
| 32 | 150851 |
| 33 | 167493 |
| 34 | 204941 |