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 | 1 |
| 4 | 6 |
| 5 | 5 |
| 6 | 1 |
| 7 | 9 |
| 8 | 19 |
| 9 | 7 |
| 10 | 1 |
| 11 | 12 |
| 12 | 42 |
| 13 | 44 |
| 14 | 9 |
| 15 | 1 |
| 16 | 15 |
| 17 | 74 |
| 18 | 138 |
| 19 | 85 |
| 20 | 11 |
| 21 | 1 |
| 22 | 18 |
| 23 | 115 |
| 24 | 316 |
| 25 | 363 |
| 26 | 146 |
| 27 | 13 |
| 28 | 1 |
| 29 | 21 |
| 30 | 165 |
| 31 | 605 |
| 32 | 1059 |
| 33 | 819 |
| 34 | 231 |
| 35 | 15 |
| 36 | 1 |
| 37 | 24 |
| 38 | 224 |
| 39 | 1032 |
| 40 | 2470 |
| 41 | 2984 |
| 42 | 1652 |
| 43 | 344 |
| 44 | 17 |
| 45 | 1 |
| 46 | 27 |
| 47 | 292 |
| 48 | 1624 |
| 49 | 4974 |
| 50 | 8378 |
| 51 | 7380 |
| 52 | 3060 |