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 | 23 |
| 2 | 61 |
| 3 | 211 |
| 4 | 257 |
| 5 | 449 |
| 6 | 487 |
| 7 | 821 |
| 8 | 829 |
| 9 | 863 |
| 10 | 2131 |
| 11 | 2137 |
| 12 | 2179 |
| 13 | 2551 |
| 14 | 2557 |
| 15 | 2591 |
| 16 | 2593 |
| 17 | 2707 |
| 18 | 2741 |
| 19 | 2749 |
| 20 | 2789 |
| 21 | 2939 |
| 22 | 2971 |
| 23 | 4013 |
| 24 | 4019 |
| 25 | 4051 |
| 26 | 4057 |
| 27 | 4091 |
| 28 | 4093 |
| 29 | 4099 |
| 30 | 4201 |
| 31 | 4241 |
| 32 | 4243 |
| 33 | 4283 |
| 34 | 4289 |
| 35 | 4621 |
| 36 | 4663 |
| 37 | 4813 |
| 38 | 4817 |
| 39 | 6121 |
| 40 | 6163 |
| 41 | 6311 |
| 42 | 6317 |
| 43 | 6353 |
| 44 | 6359 |
| 45 | 6397 |