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 | 9 |
| 4 | 11 |
| 5 | 23 |
| 6 | 118 |
| 7 | 373 |
| 8 | 556 |
| 9 | 1332 |
| 10 | 2420 |
| 11 | 3081 |
| 12 | 5251 |
| 13 | 7642 |
| 14 | 12671 |
| 15 | 116836 |
| 16 | 127627 |
| 17 | 135861 |
| 18 | 172676 |
| 19 | 198912 |
| 20 | 365408 |
| 21 | 421902 |
| 22 | 426710 |
| 23 | 901273 |
| 24 | 921736 |
| 25 | 954068 |
| 26 | 1001396 |
| 27 | 1003333 |
| 28 | 1006567 |
| 29 | 1077452 |
| 30 | 1161754 |
| 31 | 1162514 |
| 32 | 1364225 |
| 33 | 1632361 |