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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 3 |
| 5 | 5 |
| 6 | 17 |
| 7 | 19 |
| 8 | 31 |
| 9 | 45 |
| 10 | 177 |
| 11 | 191 |
| 12 | 335 |
| 13 | 469 |
| 14 | 733 |
| 15 | 2679 |
| 16 | 3063 |
| 17 | 5129 |
| 18 | 7445 |
| 19 | 11431 |
| 20 | 15667 |
| 21 | 59025 |
| 22 | 65301 |
| 23 | 112379 |
| 24 | 159827 |
| 25 | 248185 |
| 26 | 336913 |
| 27 | 505683 |
| 28 | 1660611 |
| 29 | 1909901 |
| 30 | 3184601 |
| 31 | 4576771 |
| 32 | 6994351 |
| 33 | 9606093 |
| 34 | 14229033 |
| 35 | 19085255 |
| 36 | 61388207 |
| 37 | 69587029 |
| 38 | 116257501 |
| 39 | 164298495 |
| 40 | 252820047 |