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 | 13 |
| 2 | 43 |
| 3 | 53 |
| 4 | 113 |
| 5 | 193 |
| 6 | 223 |
| 7 | 283 |
| 8 | 563 |
| 9 | 613 |
| 10 | 643 |
| 11 | 743 |
| 12 | 773 |
| 13 | 1033 |
| 14 | 1193 |
| 15 | 1453 |
| 16 | 1483 |
| 17 | 1543 |
| 18 | 1583 |
| 19 | 1663 |
| 20 | 1733 |
| 21 | 2143 |
| 22 | 2393 |
| 23 | 2503 |
| 24 | 2843 |
| 25 | 3163 |
| 26 | 3413 |
| 27 | 3433 |
| 28 | 3793 |
| 29 | 3823 |
| 30 | 4133 |
| 31 | 4463 |
| 32 | 4483 |
| 33 | 4523 |
| 34 | 4603 |
| 35 | 4673 |
| 36 | 4813 |
| 37 | 5443 |
| 38 | 5743 |
| 39 | 5953 |
| 40 | 6073 |
| 41 | 6133 |
| 42 | 6163 |
| 43 | 6553 |
| 44 | 6733 |
| 45 | 6863 |