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 | 3 |
| 3 | 36 |
| 4 | 75 |
| 5 | 96 |
| 6 | 692 |
| 7 | 732 |
| 8 | 798 |
| 9 | 2407 |
| 10 | 3102 |
| 11 | 3941 |
| 12 | 4003 |
| 13 | 101423 |
| 14 | 131281 |
| 15 | 337708 |
| 16 | 399418 |
| 17 | 460530 |
| 18 | 480328 |
| 19 | 594577 |
| 20 | 26121722 |
| 21 | 287922744 |
| 22 | 702590009 |
| 23 | 870360308 |
| 24 | 18056232172 |
| 25 | 35392830431 |
| 26 | 73730356109 |
| 27 | 169558413390 |
| 28 | 268671255173 |