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 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 14 |
| 5 | 62 |
| 6 | 68 |
| 7 | 104 |
| 8 | 398 |
| 9 | 3086 |
| 10 | 3096 |
| 11 | 3196 |
| 12 | 4406 |
| 13 | 20246 |
| 14 | 243326 |
| 15 | 243341 |
| 16 | 243566 |
| 17 | 247406 |
| 18 | 316766 |
| 19 | 1638686 |
| 20 | 28150526 |
| 21 | 28150547 |
| 22 | 28150988 |
| 23 | 28161152 |
| 24 | 28405550 |
| 25 | 34526126 |
| 26 | 193916126 |
| 27 | 4503821726 |
| 28 | 4503821754 |
| 29 | 4503822538 |
| 30 | 4503846086 |
| 31 | 4504576886 |
| 32 | 4527986846 |
| 33 | 5301270686 |