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 | 8 |
| 2 | 64 |
| 3 | 292 |
| 4 | 948 |
| 5 | 2527 |
| 6 | 5913 |
| 7 | 12577 |
| 8 | 24821 |
| 9 | 46068 |
| 10 | 81198 |
| 11 | 136930 |
| 12 | 222250 |
| 13 | 348885 |
| 14 | 531823 |
| 15 | 789879 |
| 16 | 1146307 |
| 17 | 1629458 |
| 18 | 2273484 |
| 19 | 3119088 |
| 20 | 4214320 |
| 21 | 5615419 |
| 22 | 7387701 |
| 23 | 9606493 |
| 24 | 12358113 |
| 25 | 15740896 |
| 26 | 19866266 |
| 27 | 24859854 |
| 28 | 30862662 |
| 29 | 38032273 |
| 30 | 46544107 |