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 | 3 |
| 2 | 5 |
| 3 | 8 |
| 4 | 9 |
| 5 | 12 |
| 6 | 86 |
| 7 | 230 |
| 8 | 503 |
| 9 | 1170 |
| 10 | 2660 |
| 11 | 2772 |
| 12 | 6288 |
| 13 | 6572 |
| 14 | 8858 |
| 15 | 9590 |
| 16 | 14870 |
| 17 | 16332 |
| 18 | 17708 |
| 19 | 53132 |
| 20 | 54540 |
| 21 | 63890 |
| 22 | 64908 |
| 23 | 82830 |
| 24 | 93068 |
| 25 | 98132 |
| 26 | 104726 |
| 27 | 119298 |
| 28 | 136502 |
| 29 | 152198 |
| 30 | 177918 |
| 31 | 187040 |
| 32 | 234650 |
| 33 | 241682 |
| 34 | 253118 |
| 35 | 263930 |
| 36 | 278970 |
| 37 | 376680 |
| 38 | 412440 |
| 39 | 456110 |
| 40 | 469034 |