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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 16 |
| 7 | 24 |
| 8 | 36 |
| 9 | 54 |
| 10 | 81 |
| 11 | 122 |
| 12 | 183 |
| 13 | 274 |
| 14 | 411 |
| 15 | 617 |
| 16 | 925 |
| 17 | 1388 |
| 18 | 2082 |
| 19 | 3123 |
| 20 | 4684 |
| 21 | 7026 |
| 22 | 10539 |
| 23 | 15809 |
| 24 | 23713 |
| 25 | 35570 |
| 26 | 53355 |
| 27 | 80032 |
| 28 | 120048 |
| 29 | 180072 |
| 30 | 270108 |
| 31 | 405162 |
| 32 | 607743 |
| 33 | 911615 |
| 34 | 1367422 |
| 35 | 2051133 |
| 36 | 3076700 |
| 37 | 4615050 |
| 38 | 6922575 |
| 39 | 10383862 |