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 | 55 |
| 2 | 1681 |
| 3 | 54049 |
| 4 | 1729531 |
| 5 | 55337580 |
| 6 | 1769780565 |
| 7 | 56585607231 |
| 8 | 1808994829500 |
| 9 | 57829148027161 |
| 10 | 1848624216954643 |
| 11 | 59094629276262316 |
| 12 | 1889063777872100973 |
| 13 | 60387214464117233335 |
| 14 | 1930382199629976832828 |
| 15 | 61708017083116822627729 |