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 | 41 |
| 2 | 113 |
| 3 | 137 |
| 4 | 257 |
| 5 | 313 |
| 6 | 337 |
| 7 | 353 |
| 8 | 409 |
| 9 | 457 |
| 10 | 521 |
| 11 | 569 |
| 12 | 577 |
| 13 | 593 |
| 14 | 761 |
| 15 | 809 |
| 16 | 857 |
| 17 | 881 |
| 18 | 953 |
| 19 | 1129 |
| 20 | 1153 |
| 21 | 1201 |
| 22 | 1217 |
| 23 | 1249 |
| 24 | 1321 |
| 25 | 1553 |
| 26 | 1601 |
| 27 | 1657 |
| 28 | 1777 |
| 29 | 1889 |
| 30 | 1993 |