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 | 20 |
| 2 | 32 |
| 3 | 60 |
| 4 | 88 |
| 5 | 140 |
| 6 | 184 |
| 7 | 260 |
| 8 | 312 |
| 9 | 412 |
| 10 | 480 |
| 11 | 596 |
| 12 | 680 |
| 13 | 820 |
| 14 | 912 |
| 15 | 1076 |
| 16 | 1184 |
| 17 | 1364 |
| 18 | 1488 |
| 19 | 1692 |
| 20 | 1824 |
| 21 | 2052 |
| 22 | 2200 |
| 23 | 2444 |
| 24 | 2608 |
| 25 | 2876 |
| 26 | 3048 |
| 27 | 3340 |
| 28 | 3528 |
| 29 | 3836 |
| 30 | 4040 |
| 31 | 4372 |
| 32 | 4584 |
| 33 | 4940 |
| 34 | 5168 |
| 35 | 5540 |
| 36 | 5784 |
| 37 | 6180 |
| 38 | 6432 |