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 | 25 |
| 2 | 5 |
| 3 | 3 |
| 4 | 1 |
| 5 | 8 |
| 6 | 6 |
| 7 | 4 |
| 8 | 2 |
| 9 | 9 |
| 10 | 7 |
| 11 | 14 |
| 12 | 12 |
| 13 | 19 |
| 14 | 17 |
| 15 | 24 |
| 16 | 22 |
| 17 | 47 |
| 18 | 72 |
| 19 | 97 |
| 20 | 122 |
| 21 | 147 |
| 22 | 172 |
| 23 | 197 |
| 24 | 222 |
| 25 | 247 |
| 26 | 497 |
| 27 | 747 |
| 28 | 997 |
| 29 | 1247 |
| 30 | 1497 |
| 31 | 1747 |
| 32 | 1997 |
| 33 | 2247 |
| 34 | 2497 |
| 35 | 4997 |
| 36 | 7497 |
| 37 | 9997 |
| 38 | 12497 |
| 39 | 14997 |
| 40 | 17497 |
| 41 | 19997 |
| 42 | 22497 |
| 43 | 24997 |
| 44 | 49997 |
| 45 | 74997 |
| 46 | 99997 |
| 47 | 124997 |
| 48 | 149997 |
| 49 | 174997 |