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) |
|---|---|
| 0 | 1 |
| 1 | 25 |
| 2 | 49 |
| 3 | 145 |
| 4 | 169 |
| 5 | 313 |
| 6 | 409 |
| 7 | 601 |
| 8 | 625 |
| 9 | 937 |
| 10 | 1081 |
| 11 | 1369 |
| 12 | 1465 |
| 13 | 1801 |
| 14 | 1993 |
| 15 | 2569 |
| 16 | 2593 |
| 17 | 3025 |
| 18 | 3337 |
| 19 | 3817 |
| 20 | 3961 |
| 21 | 4729 |
| 22 | 5017 |
| 23 | 5593 |
| 24 | 5689 |
| 25 | 6433 |
| 26 | 6769 |
| 27 | 7729 |
| 28 | 7921 |
| 29 | 8641 |
| 30 | 9217 |
| 31 | 9985 |
| 32 | 10009 |
| 33 | 11161 |
| 34 | 11593 |
| 35 | 12745 |
| 36 | 13057 |
| 37 | 13969 |
| 38 | 14449 |
| 39 | 15793 |