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 | 4 |
| 2 | 22 |
| 3 | 40 |
| 4 | 108 |
| 5 | 188 |
| 6 | 258 |
| 7 | 336 |
| 8 | 600 |
| 9 | 884 |
| 10 | 1190 |
| 11 | 1528 |
| 12 | 1804 |
| 13 | 2092 |
| 14 | 2394 |
| 15 | 2720 |
| 16 | 3760 |
| 17 | 4836 |
| 18 | 5942 |
| 19 | 7112 |
| 20 | 8324 |
| 21 | 9564 |
| 22 | 10890 |
| 23 | 12272 |
| 24 | 13360 |
| 25 | 14484 |
| 26 | 15598 |
| 27 | 16792 |
| 28 | 17996 |
| 29 | 19212 |
| 30 | 20490 |
| 31 | 21824 |
| 32 | 25952 |
| 33 | 30148 |
| 34 | 34390 |
| 35 | 38760 |
| 36 | 43164 |
| 37 | 47612 |
| 38 | 52242 |
| 39 | 56976 |