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 | 5 |
| 5 | 5 |
| 6 | 12 |
| 7 | 9 |
| 8 | 22 |
| 9 | 21 |
| 10 | 44 |
| 11 | 29 |
| 12 | 157 |
| 13 | 73 |
| 14 | 244 |
| 15 | 367 |
| 16 | 649 |
| 17 | 521 |
| 18 | 2624 |
| 19 | 1609 |
| 20 | 7385 |
| 21 | 8867 |
| 22 | 19400 |
| 23 | 16769 |
| 24 | 92529 |
| 25 | 67553 |
| 26 | 216274 |
| 27 | 277191 |
| 28 | 815557 |
| 29 | 662369 |
| 30 | 4500266 |
| 31 | 2311469 |