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 | 3 |
| 2 | 5 |
| 3 | 53 |
| 4 | 59 |
| 5 | 353 |
| 6 | 359 |
| 7 | 593 |
| 8 | 599 |
| 9 | 953 |
| 10 | 3359 |
| 11 | 3533 |
| 12 | 3539 |
| 13 | 3559 |
| 14 | 3593 |
| 15 | 5333 |
| 16 | 5393 |
| 17 | 5399 |
| 18 | 5939 |
| 19 | 5953 |
| 20 | 9533 |
| 21 | 9539 |
| 22 | 33353 |
| 23 | 33359 |
| 24 | 33533 |
| 25 | 33599 |
| 26 | 35339 |
| 27 | 35353 |
| 28 | 35393 |
| 29 | 35533 |
| 30 | 35593 |
| 31 | 35933 |
| 32 | 35993 |
| 33 | 35999 |
| 34 | 39359 |
| 35 | 39953 |
| 36 | 53353 |
| 37 | 53359 |
| 38 | 53593 |
| 39 | 53939 |
| 40 | 53959 |
| 41 | 53993 |