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 | 6479 |
| 3 | 11663 |
| 4 | 34943 |
| 5 | 47519 |
| 6 | 51983 |
| 7 | 196559 |
| 8 | 327359 |
| 9 | 685583 |
| 10 | 954239 |
| 11 | 1016063 |
| 12 | 1346879 |
| 13 | 2039183 |
| 14 | 2332799 |
| 15 | 2504447 |
| 16 | 4665599 |
| 17 | 5143823 |
| 18 | 5962319 |
| 19 | 6128639 |
| 20 | 6723359 |
| 21 | 7225343 |
| 22 | 9363599 |
| 23 | 12027023 |
| 24 | 12446783 |
| 25 | 14930351 |
| 26 | 17639999 |
| 27 | 17735759 |
| 28 | 22924943 |
| 29 | 24681023 |
| 30 | 34715519 |
| 31 | 41990399 |