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 | 0 |
| 2 | 2 |
| 3 | 60 |
| 4 | 62 |
| 5 | 512 |
| 6 | 560 |
| 7 | 2178 |
| 8 | 15072 |
| 9 | 15074 |
| 10 | 15090 |
| 11 | 40992 |
| 12 | 40994 |
| 13 | 41004 |
| 14 | 41010 |
| 15 | 43760 |
| 16 | 43818 |
| 17 | 43820 |
| 18 | 45260 |
| 19 | 45704 |
| 20 | 45710 |
| 21 | 45738 |
| 22 | 45740 |
| 23 | 45744 |
| 24 | 53192 |
| 25 | 53198 |
| 26 | 57512 |
| 27 | 57518 |
| 28 | 57570 |
| 29 | 163842 |
| 30 | 163854 |
| 31 | 164000 |
| 32 | 164018 |
| 33 | 164024 |