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) |
|---|---|
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 11 |
| 7 | 12 |
| 8 | 15 |
| 9 | 15 |
| 10 | 31 |
| 11 | 63 |
| 12 | 67 |
| 13 | 100 |
| 14 | 144 |
| 15 | 213 |
| 16 | 344 |
| 17 | 479 |
| 18 | 698 |
| 19 | 993 |
| 20 | 1502 |
| 21 | 2247 |
| 22 | 3252 |
| 23 | 4777 |
| 24 | 6970 |
| 25 | 10284 |
| 26 | 15211 |
| 27 | 22298 |
| 28 | 32728 |
| 29 | 47985 |
| 30 | 70645 |
| 31 | 103962 |
| 32 | 152707 |
| 33 | 224383 |
| 34 | 329509 |
| 35 | 484452 |
| 36 | 712275 |
| 37 | 1046737 |
| 38 | 1538165 |
| 39 | 2260110 |
| 40 | 3321933 |
| 41 | 4882575 |
| 42 | 7175739 |