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) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 6 |
| 3 | 14 |
| 4 | 28 |
| 5 | 50 |
| 6 | 82 |
| 7 | 126 |
| 8 | 184 |
| 9 | 258 |
| 10 | 350 |
| 11 | 462 |
| 12 | 596 |
| 13 | 754 |
| 14 | 938 |
| 15 | 1150 |
| 16 | 1392 |
| 17 | 1666 |
| 18 | 1974 |
| 19 | 2318 |
| 20 | 2700 |
| 21 | 3122 |
| 22 | 3586 |
| 23 | 4094 |
| 24 | 4648 |
| 25 | 5250 |
| 26 | 5902 |
| 27 | 6606 |
| 28 | 7364 |
| 29 | 8178 |
| 30 | 9050 |
| 31 | 9982 |
| 32 | 10976 |
| 33 | 12034 |
| 34 | 13158 |
| 35 | 14350 |
| 36 | 15612 |
| 37 | 16946 |
| 38 | 18354 |
| 39 | 19838 |
| 40 | 21400 |
| 41 | 23042 |
| 42 | 24766 |
| 43 | 26574 |
| 44 | 28468 |