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 | 12465 |
| 1 | 1 |
| 2 | 3281 |
| 3 | 68385 |
| 4 | 388849 |
| 5 | 1305665 |
| 6 | 3307281 |
| 7 | 7029601 |
| 8 | 13255985 |
| 9 | 22917249 |
| 10 | 37091665 |
| 11 | 57004961 |
| 12 | 84030321 |
| 13 | 119688385 |
| 14 | 165647249 |
| 15 | 223722465 |
| 16 | 295877041 |
| 17 | 384221441 |
| 18 | 491013585 |
| 19 | 618658849 |
| 20 | 769710065 |
| 21 | 946867521 |
| 22 | 1152978961 |
| 23 | 1391039585 |
| 24 | 1664192049 |
| 25 | 1975726465 |