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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 8 |
| 5 | 21 |
| 6 | 386 |
| 7 | 793 |
| 8 | 1179 |
| 9 | 1972 |
| 10 | 3151 |
| 11 | 8274 |
| 12 | 152083 |
| 13 | 312440 |
| 14 | 464523 |
| 15 | 776963 |
| 16 | 1241486 |
| 17 | 3259935 |
| 18 | 59920316 |
| 19 | 123100567 |
| 20 | 183020883 |
| 21 | 306121450 |
| 22 | 489142333 |
| 23 | 1284406116 |
| 24 | 23608452421 |
| 25 | 48501310958 |
| 26 | 72109763379 |
| 27 | 120611074337 |
| 28 | 192720837716 |
| 29 | 506052749769 |