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 | 8 |
| 2 | 7312 |
| 3 | 8991 |
| 4 | 32524 |
| 5 | 67477 |
| 6 | 76568 |
| 7 | 4891730 |
| 8 | 5108271 |
| 9 | 8528094 |
| 10 | 71588336 |
| 11 | 98999901 |
| 12 | 399659933007 |
| 13 | 600340066994 |
| 14 | 723627738227 |
| 15 | 877712329768 |
| 16 | 998999999001 |
| 17 | 3485626998114 |
| 18 | 3787100274614 |
| 19 | 6212899725387 |
| 20 | 6514373001887 |