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 | 1068 |
| 2 | 143044 |
| 3 | 390112 |
| 4 | 7745569 |
| 5 | 6423465 |
| 6 | 46464143 |
| 7 | 23048345 |
| 8 | 144762466 |
| 9 | 404034898 |
| 10 | 2153335831 |
| 11 | 331407850 |
| 12 | 1108900220 |
| 13 | 2581164875 |
| 14 | 760839155 |
| 15 | 10734466938 |
| 16 | 6595297216 |
| 17 | 773302059 |
| 18 | 61063137802 |
| 19 | 31915893786 |
| 20 | 112699451831 |