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 | 0 |
| 3 | 1 |
| 4 | 4 |
| 5 | 10 |
| 6 | 22 |
| 7 | 43 |
| 8 | 77 |
| 9 | 131 |
| 10 | 213 |
| 11 | 333 |
| 12 | 507 |
| 13 | 751 |
| 14 | 1088 |
| 15 | 1546 |
| 16 | 2159 |
| 17 | 2967 |
| 18 | 4023 |
| 19 | 5384 |
| 20 | 7122 |
| 21 | 9322 |
| 22 | 12081 |
| 23 | 15512 |
| 24 | 19752 |
| 25 | 24950 |
| 26 | 31283 |
| 27 | 38953 |
| 28 | 48188 |
| 29 | 59244 |
| 30 | 72419 |
| 31 | 88037 |
| 32 | 106469 |
| 33 | 128129 |
| 34 | 153476 |
| 35 | 183019 |
| 36 | 217331 |
| 37 | 257033 |