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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 15 |
| 6 | 31 |
| 7 | 49 |
| 8 | 101 |
| 9 | 163 |
| 10 | 331 |
| 11 | 533 |
| 12 | 1089 |
| 13 | 1751 |
| 14 | 3575 |
| 15 | 5753 |
| 16 | 11741 |
| 17 | 18891 |
| 18 | 38563 |
| 19 | 62045 |
| 20 | 126649 |
| 21 | 203775 |
| 22 | 415951 |
| 23 | 669249 |
| 24 | 1366101 |
| 25 | 2198003 |
| 26 | 4486651 |
| 27 | 7218853 |
| 28 | 14735409 |
| 29 | 23708711 |
| 30 | 48395175 |
| 31 | 77865993 |
| 32 | 158943181 |
| 33 | 255733531 |
| 34 | 522013523 |
| 35 | 839899885 |
| 36 | 1714437289 |
| 37 | 2758464335 |