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 | 9 |
| 3 | 55 |
| 4 | 137 |
| 5 | 501 |
| 6 | 495 |
| 7 | 2059 |
| 8 | 2185 |
| 9 | 4429 |
| 10 | 4509 |
| 11 | 13311 |
| 12 | 7535 |
| 13 | 26365 |
| 14 | 18531 |
| 15 | 27555 |
| 16 | 34953 |
| 17 | 78609 |
| 18 | 39861 |
| 19 | 123463 |
| 20 | 68637 |
| 21 | 113245 |
| 22 | 119799 |
| 23 | 267675 |
| 24 | 120175 |
| 25 | 313001 |
| 26 | 237285 |
| 27 | 358723 |
| 28 | 282083 |
| 29 | 682893 |
| 30 | 247995 |
| 31 | 893731 |
| 32 | 559241 |
| 33 | 732105 |
| 34 | 707481 |
| 35 | 1031559 |
| 36 | 606773 |
| 37 | 1823509 |