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 | 9 |
| 4 | 15 |
| 5 | 31 |
| 6 | 92 |
| 7 | 109 |
| 8 | 444 |
| 9 | 203 |
| 10 | 339 |
| 11 | 712 |
| 12 | 1903 |
| 13 | 1663 |
| 14 | 1043 |
| 15 | 4070 |
| 16 | 7279 |
| 17 | 10105 |
| 18 | 2998 |
| 19 | 20061 |
| 20 | 16601 |
| 21 | 25904 |
| 22 | 4140 |
| 23 | 27036 |
| 24 | 51551 |
| 25 | 8406 |
| 26 | 86713 |
| 27 | 117750 |
| 28 | 86172 |
| 29 | 43263 |
| 30 | 149570 |
| 31 | 229964 |
| 32 | 22652 |
| 33 | 342999 |
| 34 | 682147 |
| 35 | 272252 |
| 36 | 318223 |
| 37 | 717296 |
| 38 | 198091 |
| 39 | 930988 |