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 | 3 |
| 3 | 11 |
| 4 | 7 |
| 5 | 38 |
| 6 | 16 |
| 7 | 117 |
| 8 | 269 |
| 9 | 877 |
| 10 | 1003 |
| 11 | 11243 |
| 12 | 4261 |
| 13 | 56163 |
| 14 | 61883 |
| 15 | 199663 |
| 16 | 107339 |
| 17 | 1839778 |
| 18 | 2009948 |
| 19 | 38444267 |
| 20 | 41354174 |
| 21 | 43432679 |
| 22 | 46078049 |
| 23 | 1064644972 |
| 24 | 379669754 |
| 25 | 387106183 |
| 26 | 407127338 |
| 27 | 1258564159 |
| 28 | 1322304979 |
| 29 | 38458390826 |
| 30 | 40830611677 |
| 31 | 1268983808602 |