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 | 19 |
| 2 | 2089 |
| 3 | 10009 |
| 4 | 229771 |
| 5 | 1100899 |
| 6 | 2779769539 |
| 7 | 33629651653051 |
| 8 | 161129341280179 |
| 9 | 3698955932459041 |
| 10 | 406851522918841459 |
| 11 | 23583148518971728185859 |
| 12 | 720404932310119551295422832411 |
| 13 | 4593030255749728350335873388896105689 |
| 14 | 6111807570415039356543996013033519421475691 |