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 | 1 |
| 2 | 10 |
| 3 | 12 |
| 4 | 18 |
| 5 | 102 |
| 6 | 1002 |
| 7 | 1004 |
| 8 | 1098 |
| 9 | 1208 |
| 10 | 1272 |
| 11 | 1406 |
| 12 | 10654 |
| 13 | 13007 |
| 14 | 23963 |
| 15 | 100002 |
| 16 | 100004 |
| 17 | 148892 |
| 18 | 160509 |
| 19 | 250584 |
| 20 | 1028298 |
| 21 | 1498882 |
| 22 | 1618607 |
| 23 | 1618609 |
| 24 | 2509584 |
| 25 | 10000002 |
| 26 | 10000004 |
| 27 | 14998465 |
| 28 | 16198509 |
| 29 | 25198584 |
| 30 | 101088834 |
| 31 | 152088316 |
| 32 | 161998509 |
| 33 | 251998584 |