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 | 468950021 |
| 2 | 493108481 |
| 3 | 659846021 |
| 4 | 5936122901 |
| 5 | 8144063621 |
| 6 | 11408333333 |
| 7 | 12601267541 |
| 8 | 14252656133 |
| 9 | 18074903681 |
| 10 | 27223783841 |
| 11 | 30633711701 |
| 12 | 31093792133 |
| 13 | 31797754721 |
| 14 | 61426533761 |
| 15 | 65085388961 |
| 16 | 86610942881 |
| 17 | 91945013333 |
| 18 | 92380393121 |
| 19 | 102538073177 |