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 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 3 |
| 8 | 1 |
| 9 | 8 |
| 10 | 13 |
| 11 | 15 |
| 12 | 56 |
| 13 | 79 |
| 14 | 157 |
| 15 | 399 |
| 16 | 624 |
| 17 | 1448 |
| 18 | 3061 |
| 19 | 5571 |
| 20 | 12826 |
| 21 | 25559 |
| 22 | 51608 |
| 23 | 113828 |
| 24 | 227954 |
| 25 | 482591 |
| 26 | 1031681 |
| 27 | 2117323 |
| 28 | 4542331 |
| 29 | 9591243 |
| 30 | 20119244 |
| 31 | 43164172 |
| 32 | 91165297 |
| 33 | 193826856 |
| 34 | 415024053 |
| 35 | 881294603 |
| 36 | 1886458874 |
| 37 | 4038398755 |