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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 6 |
| 7 | 10 |
| 8 | 19 |
| 9 | 31 |
| 10 | 57 |
| 11 | 95 |
| 12 | 161 |
| 13 | 262 |
| 14 | 435 |
| 15 | 683 |
| 16 | 1081 |
| 17 | 1665 |
| 18 | 2545 |
| 19 | 3800 |
| 20 | 5658 |
| 21 | 8232 |
| 22 | 11935 |
| 23 | 17012 |
| 24 | 24074 |
| 25 | 33606 |
| 26 | 46698 |
| 27 | 63994 |
| 28 | 87281 |
| 29 | 117797 |
| 30 | 158121 |
| 31 | 210240 |
| 32 | 278389 |
| 33 | 365267 |
| 34 | 477416 |
| 35 | 619278 |
| 36 | 799962 |
| 37 | 1026370 |
| 38 | 1312419 |
| 39 | 1667131 |
| 40 | 2111086 |