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 | 2 |
| 3 | 10 |
| 4 | 16 |
| 5 | 78 |
| 6 | 97 |
| 7 | 125 |
| 8 | 138 |
| 9 | 192 |
| 10 | 242 |
| 11 | 290 |
| 12 | 373 |
| 13 | 408 |
| 14 | 467 |
| 15 | 583 |
| 16 | 892 |
| 17 | 899 |
| 18 | 1709 |
| 19 | 1944 |
| 20 | 2154 |
| 21 | 3618 |
| 22 | 5225 |
| 23 | 8974 |
| 24 | 9377 |
| 25 | 12504 |
| 26 | 20042 |
| 27 | 49106 |
| 28 | 63073 |
| 29 | 92152 |
| 30 | 147973 |