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 | 673 |
| 2 | 937 |
| 3 | 1685 |
| 4 | 2353 |
| 5 | 4685 |
| 6 | 9437 |
| 7 | 13445 |
| 8 | 27173 |
| 9 | 54937 |
| 10 | 78317 |
| 11 | 158353 |
| 12 | 320185 |
| 13 | 456457 |
| 14 | 922945 |
| 15 | 1866173 |
| 16 | 2660425 |
| 17 | 5379317 |
| 18 | 10876853 |
| 19 | 15506093 |
| 20 | 31352957 |
| 21 | 63394945 |
| 22 | 90376133 |
| 23 | 182738425 |
| 24 | 369492817 |
| 25 | 526750705 |
| 26 | 1065077593 |
| 27 | 2153561957 |