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 | 25 |
| 3 | 178 |
| 4 | 722 |
| 5 | 2147 |
| 6 | 5243 |
| 7 | 11172 |
| 8 | 21540 |
| 9 | 38469 |
| 10 | 64669 |
| 11 | 103510 |
| 12 | 159094 |
| 13 | 236327 |
| 14 | 340991 |
| 15 | 479816 |
| 16 | 660552 |
| 17 | 892041 |
| 18 | 1184289 |
| 19 | 1548538 |
| 20 | 1997338 |
| 21 | 2544619 |
| 22 | 3205763 |
| 23 | 3997676 |
| 24 | 4938860 |
| 25 | 6049485 |
| 26 | 7351461 |
| 27 | 8868510 |
| 28 | 10626238 |
| 29 | 12652207 |
| 30 | 14976007 |
| 31 | 17629328 |
| 32 | 20646032 |