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 | 12 |
| 2 | 15 |
| 3 | 38 |
| 4 | 39 |
| 5 | 118 |
| 6 | 152 |
| 7 | 190 |
| 8 | 258 |
| 9 | 462 |
| 10 | 690 |
| 11 | 746 |
| 12 | 1396 |
| 13 | 1632 |
| 14 | 2119 |
| 15 | 3370 |
| 16 | 4522 |
| 17 | 4600 |
| 18 | 7520 |
| 19 | 15006 |
| 20 | 24222 |
| 21 | 33156 |
| 22 | 34038 |
| 23 | 51372 |
| 24 | 52342 |
| 25 | 64638 |
| 26 | 77470 |
| 27 | 90790 |
| 28 | 101946 |
| 29 | 104670 |
| 30 | 156772 |
| 31 | 166822 |
| 32 | 167700 |
| 33 | 175818 |
| 34 | 194092 |
| 35 | 200022 |
| 36 | 229630 |
| 37 | 246208 |
| 38 | 328462 |
| 39 | 362440 |
| 40 | 372882 |