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 | 90 |
| 2 | 95 |
| 3 | 111 |
| 4 | 135 |
| 5 | 207 |
| 6 | 255 |
| 7 | 375 |
| 8 | 447 |
| 9 | 615 |
| 10 | 927 |
| 11 | 1047 |
| 12 | 1455 |
| 13 | 1767 |
| 14 | 1935 |
| 15 | 2295 |
| 16 | 2895 |
| 17 | 3567 |
| 18 | 3807 |
| 19 | 4575 |
| 20 | 5127 |
| 21 | 5415 |
| 22 | 6327 |
| 23 | 6975 |
| 24 | 8007 |
| 25 | 9495 |
| 26 | 10287 |
| 27 | 10695 |
| 28 | 11535 |
| 29 | 11967 |
| 30 | 12855 |
| 31 | 16215 |
| 32 | 17247 |
| 33 | 18855 |
| 34 | 19407 |
| 35 | 22287 |
| 36 | 22887 |
| 37 | 24735 |
| 38 | 26655 |
| 39 | 27975 |
| 40 | 30015 |