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 | 137 |
| 2 | 484 |
| 3 | 1398 |
| 4 | 3528 |
| 5 | 7970 |
| 6 | 16547 |
| 7 | 32035 |
| 8 | 58595 |
| 9 | 102113 |
| 10 | 170844 |
| 11 | 275878 |
| 12 | 432018 |
| 13 | 658432 |
| 14 | 979785 |
| 15 | 1427065 |
| 16 | 2039067 |
| 17 | 2863403 |
| 18 | 3958322 |
| 19 | 5393994 |
| 20 | 7254686 |
| 21 | 9640296 |
| 22 | 12669003 |
| 23 | 16479033 |
| 24 | 21231771 |
| 25 | 27113883 |
| 26 | 34340884 |
| 27 | 43159574 |
| 28 | 53852210 |
| 29 | 66739242 |