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 | 149 |
| 2 | 281 |
| 3 | 293 |
| 4 | 353 |
| 5 | 509 |
| 6 | 613 |
| 7 | 661 |
| 8 | 733 |
| 9 | 797 |
| 10 | 1097 |
| 11 | 1237 |
| 12 | 1361 |
| 13 | 1453 |
| 14 | 1709 |
| 15 | 2141 |
| 16 | 2293 |
| 17 | 2297 |
| 18 | 2473 |
| 19 | 2609 |
| 20 | 2617 |
| 21 | 2789 |
| 22 | 3221 |
| 23 | 3413 |
| 24 | 3557 |
| 25 | 3637 |
| 26 | 3673 |
| 27 | 4093 |
| 28 | 4129 |
| 29 | 4241 |
| 30 | 4297 |
| 31 | 4337 |
| 32 | 4421 |
| 33 | 4657 |
| 34 | 4793 |
| 35 | 5081 |
| 36 | 5101 |
| 37 | 5441 |
| 38 | 5557 |
| 39 | 5653 |
| 40 | 5669 |
| 41 | 5693 |