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 | 29 |
| 2 | 11 |
| 3 | 4679 |
| 4 | 131063 |
| 5 | 123817 |
| 6 | 318949 |
| 7 | 209510599 |
| 8 | 49977801259 |
| 9 | 2199023255531 |
| 10 | 9334079 |
| 11 | 7250118529 |
| 12 | 2305843009213693921 |
| 13 | 17457916757373919459 |
| 14 | 27748320404471 |
| 15 | 717308900550128276543 |
| 16 | 2028240960365167042394725128581 |
| 17 | 221537999297485978817301176713390723 |