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 | 6476 |
| 2 | 11236 |
| 3 | 19964 |
| 4 | 35836 |
| 5 | 64664 |
| 6 | 116992 |
| 7 | 211888 |
| 8 | 383728 |
| 9 | 694264 |
| 10 | 1253960 |
| 11 | 2259448 |
| 12 | 4058744 |
| 13 | 7263712 |
| 14 | 12941840 |
| 15 | 22939024 |
| 16 | 40724900 |
| 17 | 72502576 |
| 18 | 129361304 |
| 19 | 231174484 |
| 20 | 413570984 |
| 21 | 740406336 |
| 22 | 1326075896 |
| 23 | 2375408640 |
| 24 | 4254942768 |