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 | 15 |
| 2 | 24 |
| 3 | 30 |
| 4 | 258 |
| 5 | 372 |
| 6 | 645 |
| 7 | 2076 |
| 8 | 2268 |
| 9 | 2385 |
| 10 | 2505 |
| 11 | 3045 |
| 12 | 3090 |
| 13 | 3120 |
| 14 | 3336 |
| 15 | 3366 |
| 16 | 3450 |
| 17 | 3555 |
| 18 | 3678 |
| 19 | 4122 |
| 20 | 4143 |
| 21 | 4233 |
| 22 | 4302 |
| 23 | 4497 |
| 24 | 5118 |
| 25 | 5202 |
| 26 | 5586 |
| 27 | 6717 |
| 28 | 6855 |
| 29 | 7662 |
| 30 | 7731 |
| 31 | 8082 |
| 32 | 8130 |
| 33 | 8340 |
| 34 | 9177 |
| 35 | 9648 |
| 36 | 9759 |
| 37 | 9795 |
| 38 | 10080 |
| 39 | 10242 |
| 40 | 10545 |
| 41 | 10830 |
| 42 | 10926 |
| 43 | 11001 |
| 44 | 11130 |