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 | 173 |
| 2 | 383 |
| 3 | 431 |
| 4 | 443 |
| 5 | 461 |
| 6 | 491 |
| 7 | 521 |
| 8 | 563 |
| 9 | 761 |
| 10 | 821 |
| 11 | 827 |
| 12 | 839 |
| 13 | 941 |
| 14 | 971 |
| 15 | 983 |
| 16 | 1049 |
| 17 | 1481 |
| 18 | 1487 |
| 19 | 1493 |
| 20 | 1499 |
| 21 | 1553 |
| 22 | 1571 |
| 23 | 1601 |
| 24 | 1811 |
| 25 | 1871 |
| 26 | 1931 |
| 27 | 2153 |
| 28 | 2207 |
| 29 | 2477 |
| 30 | 2591 |
| 31 | 2609 |
| 32 | 2753 |
| 33 | 3037 |
| 34 | 3041 |
| 35 | 3083 |
| 36 | 3137 |
| 37 | 3221 |
| 38 | 3251 |
| 39 | 3257 |
| 40 | 3307 |
| 41 | 3329 |
| 42 | 3371 |