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 | 284 |
| 2 | 1210 |
| 3 | 6368 |
| 4 | 10856 |
| 5 | 14595 |
| 6 | 71145 |
| 7 | 87633 |
| 8 | 525915 |
| 9 | 1438983 |
| 10 | 1870245 |
| 11 | 5120595 |
| 12 | 6088905 |
| 13 | 11791935 |
| 14 | 14084763 |
| 15 | 36939357 |
| 16 | 207429525 |
| 17 | 234587199 |
| 18 | 662939925 |
| 19 | 1337154465 |
| 20 | 2450161791 |
| 21 | 4024393191 |
| 22 | 4785272037 |
| 23 | 10162493523 |
| 24 | 38437212933 |
| 25 | 160412122575 |
| 26 | 229777289469 |
| 27 | 248806975131 |