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 | 2 |
| 1 | 3 |
| 2 | 5 |
| 3 | 10 |
| 4 | 9 |
| 5 | 20 |
| 6 | 46 |
| 7 | 83 |
| 8 | 12 |
| 9 | 24 |
| 10 | 23 |
| 11 | 36 |
| 12 | 79 |
| 13 | 124 |
| 14 | 172 |
| 15 | 56 |
| 16 | 119 |
| 17 | 61 |
| 18 | 169 |
| 19 | 17 |
| 20 | 42 |
| 21 | 84 |
| 22 | 232 |
| 23 | 285 |
| 24 | 596 |
| 25 | 1186 |
| 26 | 3190 |
| 27 | 6857 |
| 28 | 14225 |
| 29 | 12495 |
| 30 | 30482 |
| 31 | 45827 |
| 32 | 79090 |
| 33 | 144112 |
| 34 | 423486 |
| 35 | 1087497 |
| 36 | 2443796 |
| 37 | 628733 |
| 38 | 871389 |
| 39 | 1199242 |
| 40 | 2787410 |
| 41 | 7975876 |