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 | 7 |
| 1 | 19 |
| 2 | 47 |
| 3 | 97 |
| 4 | 189 |
| 5 | 339 |
| 6 | 589 |
| 7 | 975 |
| 8 | 1576 |
| 9 | 2472 |
| 10 | 3804 |
| 11 | 5727 |
| 12 | 8498 |
| 13 | 12400 |
| 14 | 17874 |
| 15 | 25433 |
| 16 | 35818 |
| 17 | 49908 |
| 18 | 68939 |
| 19 | 94378 |
| 20 | 128234 |
| 21 | 172917 |
| 22 | 231630 |
| 23 | 308240 |
| 24 | 407804 |
| 25 | 536412 |
| 26 | 701910 |
| 27 | 913773 |
| 28 | 1184022 |
| 29 | 1527165 |
| 30 | 1961432 |
| 31 | 2508762 |
| 32 | 3196473 |
| 33 | 4057403 |
| 34 | 5132066 |