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 | 2 |
| 2 | 7 |
| 3 | 13 |
| 4 | 32 |
| 5 | 43 |
| 6 | 129 |
| 7 | 145 |
| 8 | 405 |
| 9 | 660 |
| 10 | 1417 |
| 11 | 2079 |
| 12 | 5999 |
| 13 | 8233 |
| 14 | 18903 |
| 15 | 37271 |
| 16 | 74912 |
| 17 | 131131 |
| 18 | 300239 |
| 19 | 524355 |
| 20 | 1139985 |
| 21 | 2180263 |
| 22 | 4372491 |
| 23 | 8388691 |
| 24 | 17853809 |
| 25 | 33715580 |
| 26 | 68704969 |
| 27 | 136183123 |
| 28 | 274127445 |
| 29 | 536871021 |
| 30 | 1100025921 |
| 31 | 2147483775 |
| 32 | 4343912079 |
| 33 | 8638792645 |
| 34 | 17309012967 |
| 35 | 34380645545 |