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 | 409 |
| 2 | 433 |
| 3 | 457 |
| 4 | 577 |
| 5 | 769 |
| 6 | 937 |
| 7 | 1033 |
| 8 | 1249 |
| 9 | 1657 |
| 10 | 1753 |
| 11 | 1777 |
| 12 | 1801 |
| 13 | 1993 |
| 14 | 2089 |
| 15 | 2161 |
| 16 | 2473 |
| 17 | 2593 |
| 18 | 2617 |
| 19 | 2857 |
| 20 | 3001 |
| 21 | 3217 |
| 22 | 3313 |
| 23 | 3433 |
| 24 | 3673 |
| 25 | 3697 |
| 26 | 3793 |
| 27 | 3889 |
| 28 | 4129 |
| 29 | 4201 |
| 30 | 4297 |
| 31 | 4441 |
| 32 | 4513 |
| 33 | 4657 |
| 34 | 5113 |
| 35 | 5449 |
| 36 | 5521 |
| 37 | 5737 |
| 38 | 5857 |
| 39 | 5881 |
| 40 | 6073 |
| 41 | 6121 |