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 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 22 |
| 6 | 33 |
| 7 | 66 |
| 8 | 262 |
| 9 | 750 |
| 10 | 786 |
| 11 | 8646 |
| 12 | 56946 |
| 13 | 222386 |
| 14 | 626406 |
| 15 | 667158 |
| 16 | 737286 |
| 17 | 1223123 |
| 18 | 2446246 |
| 19 | 2939046 |
| 20 | 3669369 |
| 21 | 6804006 |
| 22 | 7338738 |
| 23 | 27798250 |
| 24 | 31684246 |
| 25 | 41697375 |
| 26 | 44970486 |
| 27 | 53817126 |
| 28 | 62128086 |
| 29 | 76745867 |
| 30 | 83394750 |
| 31 | 95052738 |
| 32 | 139991987 |
| 33 | 153491734 |
| 34 | 174684203 |