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 | 71 |
| 2 | 271 |
| 3 | 337 |
| 4 | 431 |
| 5 | 631 |
| 6 | 661 |
| 7 | 769 |
| 8 | 1153 |
| 9 | 1721 |
| 10 | 1789 |
| 11 | 2131 |
| 12 | 2339 |
| 13 | 2381 |
| 14 | 2749 |
| 15 | 2777 |
| 16 | 3313 |
| 17 | 3319 |
| 18 | 3517 |
| 19 | 3919 |
| 20 | 4139 |
| 21 | 4337 |
| 22 | 4729 |
| 23 | 4789 |
| 24 | 4903 |
| 25 | 4937 |
| 26 | 4993 |
| 27 | 5171 |
| 28 | 5303 |
| 29 | 5323 |
| 30 | 5507 |
| 31 | 5849 |
| 32 | 5851 |
| 33 | 6271 |
| 34 | 6323 |
| 35 | 6451 |
| 36 | 6959 |
| 37 | 6983 |
| 38 | 7489 |
| 39 | 7919 |
| 40 | 8221 |
| 41 | 8363 |
| 42 | 8419 |
| 43 | 9349 |
| 44 | 9613 |
| 45 | 9619 |