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 | 2 |
| 2 | 6497 |
| 3 | 12317 |
| 4 | 91610 |
| 5 | 133787 |
| 6 | 181427 |
| 7 | 404471 |
| 8 | 439097 |
| 9 | 485237 |
| 10 | 1410119 |
| 11 | 2696807 |
| 12 | 6220607 |
| 13 | 6827369 |
| 14 | 6954767 |
| 15 | 9770027 |
| 16 | 10302419 |
| 17 | 10449347 |
| 18 | 10887977 |
| 19 | 11014007 |
| 20 | 16745387 |
| 21 | 18959111 |
| 22 | 25883519 |
| 23 | 27334469 |
| 24 | 39508037 |
| 25 | 40311149 |
| 26 | 40551617 |
| 27 | 42561437 |
| 28 | 44592209 |
| 29 | 47717471 |
| 30 | 48912107 |