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 | 119 |
| 3 | 135 |
| 4 | 159 |
| 5 | 231 |
| 6 | 279 |
| 7 | 399 |
| 8 | 471 |
| 9 | 639 |
| 10 | 951 |
| 11 | 1071 |
| 12 | 1479 |
| 13 | 1791 |
| 14 | 1959 |
| 15 | 2319 |
| 16 | 2919 |
| 17 | 3591 |
| 18 | 3831 |
| 19 | 4599 |
| 20 | 5151 |
| 21 | 5439 |
| 22 | 6351 |
| 23 | 6999 |
| 24 | 8031 |
| 25 | 9519 |
| 26 | 10311 |
| 27 | 10719 |
| 28 | 11559 |
| 29 | 11991 |
| 30 | 12879 |
| 31 | 16239 |
| 32 | 17271 |
| 33 | 18879 |
| 34 | 19431 |
| 35 | 22311 |
| 36 | 22911 |
| 37 | 24759 |
| 38 | 26679 |
| 39 | 27999 |
| 40 | 30039 |