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 | 0 |
| 2 | 1 |
| 3 | 1386 |
| 4 | 1387 |
| 5 | 485353 |
| 6 | 981435 |
| 7 | 4423035 |
| 8 | 14187855 |
| 9 | 19652536 |
| 10 | 19652537 |
| 11 | 19654636 |
| 12 | 19654637 |
| 13 | 23059876 |
| 14 | 23059877 |
| 15 | 23063359 |
| 16 | 23837177 |
| 17 | 25009516 |
| 18 | 25009517 |
| 19 | 41185278 |
| 20 | 41185279 |
| 21 | 41409018 |
| 22 | 41409019 |
| 23 | 49650315 |
| 24 | 50262556 |
| 25 | 50262557 |
| 26 | 58622956 |
| 27 | 58622957 |
| 28 | 58623315 |