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 | 3 |
| 2 | 7 |
| 3 | 11 |
| 4 | 41 |
| 5 | 127 |
| 6 | 139 |
| 7 | 173 |
| 8 | 179 |
| 9 | 191 |
| 10 | 751 |
| 11 | 811 |
| 12 | 5113 |
| 13 | 5167 |
| 14 | 5419 |
| 15 | 5443 |
| 16 | 6581 |
| 17 | 6659 |
| 18 | 6737 |
| 19 | 6761 |
| 20 | 6833 |
| 21 | 6863 |
| 22 | 6911 |
| 23 | 6959 |
| 24 | 40609 |
| 25 | 40897 |
| 26 | 41047 |
| 27 | 41479 |
| 28 | 42061 |
| 29 | 42349 |
| 30 | 42499 |
| 31 | 42643 |
| 32 | 42787 |
| 33 | 50549 |
| 34 | 51131 |
| 35 | 51419 |
| 36 | 51563 |
| 37 | 52289 |
| 38 | 52433 |
| 39 | 52583 |
| 40 | 52727 |
| 41 | 363361 |
| 42 | 363481 |
| 43 | 365473 |