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 | 4 |
| 1 | 1 |
| 2 | 1 |
| 3 | 87 |
| 4 | 267 |
| 5 | 357 |
| 6 | 33 |
| 7 | 451 |
| 8 | 2011 |
| 9 | 2821 |
| 10 | 10687 |
| 11 | 2497 |
| 12 | 5073 |
| 13 | 5557 |
| 14 | 15243 |
| 15 | 7147 |
| 16 | 7357 |
| 17 | 7197 |
| 18 | 6627 |
| 19 | 9157 |
| 20 | 26317 |
| 21 | 25833 |
| 22 | 39207 |
| 23 | 56067 |
| 24 | 6667 |
| 25 | 32937 |
| 26 | 70561 |
| 27 | 106533 |
| 28 | 597 |
| 29 | 28503 |
| 30 | 19167 |
| 31 | 74551 |
| 32 | 301711 |
| 33 | 6747 |
| 34 | 246871 |
| 35 | 223353 |
| 36 | 63057 |
| 37 | 75183 |
| 38 | 48513 |
| 39 | 61323 |
| 40 | 16107 |
| 41 | 554287 |
| 42 | 160141 |
| 43 | 29821 |
| 44 | 220711 |
| 45 | 49441 |