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 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 11 |
| 12 | 828 |
| 13 | 858 |
| 14 | 888 |
| 15 | 919 |
| 16 | 949 |
| 17 | 979 |
| 18 | 1551 |
| 19 | 2772 |
| 20 | 23632 |
| 21 | 25552 |
| 22 | 60106 |
| 23 | 67576 |
| 24 | 465564 |
| 25 | 477774 |
| 26 | 489984 |
| 27 | 515515 |
| 28 | 527725 |
| 29 | 17577571 |
| 30 | 26144162 |
| 31 | 28300382 |
| 32 | 39399393 |
| 33 | 47999974 |
| 34 | 69455496 |
| 35 | 2118008112 |
| 36 | 8050880508 |