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 | 12 |
| 2 | 13 |
| 3 | 25 |
| 4 | 37 |
| 5 | 511 |
| 6 | 813 |
| 7 | 1317 |
| 8 | 2119 |
| 9 | 3423 |
| 10 | 5529 |
| 11 | 8931 |
| 12 | 14437 |
| 13 | 23341 |
| 14 | 37743 |
| 15 | 61047 |
| 16 | 98753 |
| 17 | 159759 |
| 18 | 258461 |
| 19 | 418167 |
| 20 | 676571 |
| 21 | 1094673 |
| 22 | 1771179 |
| 23 | 2865783 |
| 24 | 4636889 |
| 25 | 7502597 |
| 26 | 121393101 |
| 27 | 196418103 |
| 28 | 317811107 |
| 29 | 514229109 |
| 30 | 832040113 |
| 31 | 1346269127 |