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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 6 |
| 4 | 10 |
| 5 | 20 |
| 6 | 28 |
| 7 | 44 |
| 8 | 88 |
| 9 | 104 |
| 10 | 136 |
| 11 | 272 |
| 12 | 304 |
| 13 | 368 |
| 14 | 464 |
| 15 | 496 |
| 16 | 592 |
| 17 | 1184 |
| 18 | 1312 |
| 19 | 1376 |
| 20 | 1504 |
| 21 | 1696 |
| 22 | 1888 |
| 23 | 1952 |
| 24 | 2144 |
| 25 | 4288 |
| 26 | 4544 |
| 27 | 4672 |
| 28 | 5056 |
| 29 | 5312 |
| 30 | 5696 |
| 31 | 6208 |
| 32 | 6464 |
| 33 | 6592 |
| 34 | 6848 |
| 35 | 6976 |
| 36 | 7232 |
| 37 | 8128 |
| 38 | 8384 |
| 39 | 16768 |
| 40 | 17536 |
| 41 | 17792 |
| 42 | 19072 |
| 43 | 19328 |
| 44 | 20096 |
| 45 | 20864 |