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 | 5455590801 |
| 2 | 186082586691 |
| 3 | 719565156651 |
| 4 | 2266886795811 |
| 5 | 2307208917651 |
| 6 | 2641415618451 |
| 7 | 3465253618401 |
| 8 | 5115406263771 |
| 9 | 6300800933001 |
| 10 | 26054428010601 |
| 11 | 44612081317851 |
| 12 | 73150641067251 |
| 13 | 85382703388851 |
| 14 | 92522271877491 |
| 15 | 97971365867331 |
| 16 | 133539279298491 |
| 17 | 167608677353601 |