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 | 3257 |
| 2 | 3527 |
| 3 | 7253 |
| 4 | 7523 |
| 5 | 32257 |
| 6 | 32537 |
| 7 | 35227 |
| 8 | 35257 |
| 9 | 35327 |
| 10 | 72253 |
| 11 | 72353 |
| 12 | 73523 |
| 13 | 75223 |
| 14 | 75253 |
| 15 | 322573 |
| 16 | 327553 |
| 17 | 332573 |
| 18 | 355723 |
| 19 | 375223 |
| 20 | 375233 |
| 21 | 725357 |
| 22 | 753527 |
| 23 | 3223357 |
| 24 | 3223537 |
| 25 | 3225737 |
| 26 | 3235577 |
| 27 | 3235777 |
| 28 | 3237527 |
| 29 | 3252377 |
| 30 | 3253753 |