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 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 21 |
| 5 | 37 |
| 6 | 49 |
| 7 | 51 |
| 8 | 63 |
| 9 | 4447 |
| 10 | 5954 |
| 11 | 6577 |
| 12 | 9590 |
| 13 | 12362 |
| 14 | 38657 |
| 15 | 42529 |
| 16 | 42723 |
| 17 | 154619 |
| 18 | 158367 |
| 19 | 512437 |
| 20 | 965489 |
| 21 | 978547 |
| 22 | 1042723 |
| 23 | 2377596 |
| 24 | 2458779 |
| 25 | 2687592 |
| 26 | 2729784 |
| 27 | 2976847 |
| 28 | 2995687 |
| 29 | 3233341 |
| 30 | 3271507 |
| 31 | 3378978 |
| 32 | 3438666 |
| 33 | 3447618 |