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 | 23 |
| 2 | 151 |
| 3 | 311 |
| 4 | 439 |
| 5 | 503 |
| 6 | 599 |
| 7 | 631 |
| 8 | 727 |
| 9 | 823 |
| 10 | 887 |
| 11 | 919 |
| 12 | 983 |
| 13 | 1303 |
| 14 | 1367 |
| 15 | 1399 |
| 16 | 1559 |
| 17 | 1783 |
| 18 | 1847 |
| 19 | 1879 |
| 20 | 2039 |
| 21 | 2423 |
| 22 | 2551 |
| 23 | 2647 |
| 24 | 2711 |
| 25 | 2903 |
| 26 | 2999 |
| 27 | 3191 |
| 28 | 3319 |
| 29 | 3511 |
| 30 | 3607 |
| 31 | 3671 |
| 32 | 3767 |
| 33 | 3863 |
| 34 | 4567 |
| 35 | 4663 |
| 36 | 4759 |
| 37 | 4919 |
| 38 | 4951 |
| 39 | 5303 |
| 40 | 5399 |
| 41 | 5431 |
| 42 | 5527 |
| 43 | 5591 |
| 44 | 5623 |
| 45 | 5783 |