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 | 5 |
| 1 | 9 |
| 2 | 21 |
| 3 | 37 |
| 4 | 57 |
| 5 | 89 |
| 6 | 121 |
| 7 | 161 |
| 8 | 213 |
| 9 | 261 |
| 10 | 325 |
| 11 | 385 |
| 12 | 457 |
| 13 | 545 |
| 14 | 621 |
| 15 | 717 |
| 16 | 805 |
| 17 | 917 |
| 18 | 1033 |
| 19 | 1137 |
| 20 | 1265 |
| 21 | 1389 |
| 22 | 1533 |
| 23 | 1669 |
| 24 | 1801 |
| 25 | 1969 |
| 26 | 2129 |
| 27 | 2305 |
| 28 | 2469 |
| 29 | 2637 |
| 30 | 2837 |
| 31 | 3017 |
| 32 | 3233 |
| 33 | 3425 |
| 34 | 3641 |
| 35 | 3861 |
| 36 | 4061 |
| 37 | 4309 |
| 38 | 4537 |
| 39 | 4785 |
| 40 | 5033 |
| 41 | 5273 |