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) |
|---|---|
| 0 | 4 |
| 1 | 5 |
| 2 | 5 |
| 3 | 7 |
| 4 | 14 |
| 5 | 17 |
| 6 | 51 |
| 7 | 55 |
| 8 | 220 |
| 9 | 225 |
| 10 | 1125 |
| 11 | 1131 |
| 12 | 6786 |
| 13 | 6793 |
| 14 | 47551 |
| 15 | 47559 |
| 16 | 380472 |
| 17 | 380481 |
| 18 | 3424329 |
| 19 | 3424339 |
| 20 | 34243390 |
| 21 | 34243401 |
| 22 | 376677411 |
| 23 | 376677423 |
| 24 | 4520129076 |
| 25 | 4520129089 |
| 26 | 58761678157 |
| 27 | 58761678171 |
| 28 | 822663494394 |
| 29 | 822663494409 |
| 30 | 12339952416135 |
| 31 | 12339952416151 |
| 32 | 197439238658416 |