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 | 119 |
| 4 | 357 |
| 5 | 2522 |
| 6 | 6305 |
| 7 | 6596 |
| 8 | 6604 |
| 9 | 7566 |
| 10 | 18915 |
| 11 | 19788 |
| 12 | 19812 |
| 13 | 20520 |
| 14 | 24347 |
| 15 | 24353 |
| 16 | 26068 |
| 17 | 26082 |
| 18 | 28126 |
| 19 | 47959 |
| 20 | 58520 |
| 21 | 64790 |
| 22 | 65205 |
| 23 | 70315 |
| 24 | 73041 |
| 25 | 73059 |
| 26 | 73636 |
| 27 | 75460 |
| 28 | 78204 |
| 29 | 84378 |
| 30 | 143877 |
| 31 | 156519 |
| 32 | 164920 |
| 33 | 175560 |
| 34 | 194370 |
| 35 | 210945 |
| 36 | 212660 |
| 37 | 220908 |
| 38 | 226380 |