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 | 23 |
| 4 | 43 |
| 5 | 113 |
| 6 | 157 |
| 7 | 277 |
| 8 | 347 |
| 9 | 509 |
| 10 | 821 |
| 11 | 937 |
| 12 | 1361 |
| 13 | 1657 |
| 14 | 1811 |
| 15 | 2179 |
| 16 | 2767 |
| 17 | 3433 |
| 18 | 3671 |
| 19 | 4423 |
| 20 | 4973 |
| 21 | 5261 |
| 22 | 6163 |
| 23 | 6823 |
| 24 | 7841 |
| 25 | 9319 |
| 26 | 10103 |
| 27 | 10513 |
| 28 | 11351 |
| 29 | 11777 |
| 30 | 12659 |
| 31 | 16007 |
| 32 | 17033 |
| 33 | 18637 |
| 34 | 19183 |
| 35 | 22063 |
| 36 | 22651 |
| 37 | 24499 |
| 38 | 26407 |
| 39 | 27733 |
| 40 | 29759 |
| 41 | 31873 |
| 42 | 32587 |
| 43 | 36293 |