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 | 31 |
| 2 | 211 |
| 3 | 571 |
| 4 | 661 |
| 5 | 751 |
| 6 | 1021 |
| 7 | 1201 |
| 8 | 1291 |
| 9 | 1381 |
| 10 | 1471 |
| 11 | 1741 |
| 12 | 1831 |
| 13 | 2011 |
| 14 | 2281 |
| 15 | 2371 |
| 16 | 2551 |
| 17 | 2731 |
| 18 | 3001 |
| 19 | 3181 |
| 20 | 3271 |
| 21 | 3361 |
| 22 | 3541 |
| 23 | 3631 |
| 24 | 4261 |
| 25 | 4441 |
| 26 | 4621 |
| 27 | 4801 |
| 28 | 5431 |
| 29 | 5521 |
| 30 | 5701 |
| 31 | 5791 |
| 32 | 5881 |
| 33 | 6151 |
| 34 | 6421 |
| 35 | 6691 |
| 36 | 6781 |
| 37 | 6871 |
| 38 | 6961 |
| 39 | 7321 |
| 40 | 7411 |
| 41 | 7591 |
| 42 | 7681 |
| 43 | 7951 |
| 44 | 8221 |