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 | 2510 |
| 2 | 4558 |
| 3 | 8402 |
| 4 | 15586 |
| 5 | 29002 |
| 6 | 54042 |
| 7 | 100736 |
| 8 | 187696 |
| 9 | 349360 |
| 10 | 649232 |
| 11 | 1203940 |
| 12 | 2226644 |
| 13 | 4104676 |
| 14 | 7573112 |
| 15 | 13992148 |
| 16 | 25879040 |
| 17 | 47898464 |
| 18 | 88693997 |
| 19 | 164277882 |
| 20 | 304304060 |
| 21 | 563672655 |
| 22 | 1043992249 |
| 23 | 1933271058 |
| 24 | 3579337110 |
| 25 | 6625751995 |