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 | 72 |
| 2 | 77 |
| 3 | 93 |
| 4 | 117 |
| 5 | 189 |
| 6 | 237 |
| 7 | 357 |
| 8 | 429 |
| 9 | 597 |
| 10 | 909 |
| 11 | 1029 |
| 12 | 1437 |
| 13 | 1749 |
| 14 | 1917 |
| 15 | 2277 |
| 16 | 2877 |
| 17 | 3549 |
| 18 | 3789 |
| 19 | 4557 |
| 20 | 5109 |
| 21 | 5397 |
| 22 | 6309 |
| 23 | 6957 |
| 24 | 7989 |
| 25 | 9477 |
| 26 | 10269 |
| 27 | 10677 |
| 28 | 11517 |
| 29 | 11949 |
| 30 | 12837 |
| 31 | 16197 |
| 32 | 17229 |
| 33 | 18837 |
| 34 | 19389 |
| 35 | 22269 |
| 36 | 22869 |
| 37 | 24717 |
| 38 | 26637 |
| 39 | 27957 |
| 40 | 29997 |