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 | 114 |
| 2 | 126 |
| 3 | 144 |
| 4 | 180 |
| 5 | 486 |
| 6 | 684 |
| 7 | 864 |
| 8 | 1080 |
| 9 | 1176 |
| 10 | 1866 |
| 11 | 1956 |
| 12 | 2166 |
| 13 | 2226 |
| 14 | 2454 |
| 15 | 2634 |
| 16 | 2880 |
| 17 | 3090 |
| 18 | 3474 |
| 19 | 4176 |
| 20 | 4314 |
| 21 | 5124 |
| 22 | 5586 |
| 23 | 5730 |
| 24 | 5820 |
| 25 | 6030 |
| 26 | 6276 |
| 27 | 6324 |
| 28 | 6456 |
| 29 | 6624 |
| 30 | 6846 |
| 31 | 6954 |
| 32 | 7110 |
| 33 | 7830 |
| 34 | 7914 |
| 35 | 8166 |
| 36 | 8556 |
| 37 | 8724 |
| 38 | 9054 |
| 39 | 9180 |
| 40 | 9576 |
| 41 | 9786 |
| 42 | 9816 |