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 | 22 |
| 5 | 30 |
| 6 | 46 |
| 7 | 70 |
| 8 | 86 |
| 9 | 94 |
| 10 | 110 |
| 11 | 134 |
| 12 | 158 |
| 13 | 190 |
| 14 | 246 |
| 15 | 310 |
| 16 | 342 |
| 17 | 350 |
| 18 | 366 |
| 19 | 390 |
| 20 | 414 |
| 21 | 446 |
| 22 | 502 |
| 23 | 566 |
| 24 | 606 |
| 25 | 638 |
| 26 | 694 |
| 27 | 766 |
| 28 | 846 |
| 29 | 966 |
| 30 | 1142 |
| 31 | 1302 |
| 32 | 1366 |
| 33 | 1374 |
| 34 | 1390 |
| 35 | 1414 |
| 36 | 1438 |
| 37 | 1470 |
| 38 | 1526 |
| 39 | 1590 |
| 40 | 1630 |
| 41 | 1662 |
| 42 | 1718 |
| 43 | 1790 |