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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 4 |
| 12 | 8 |
| 13 | 16 |
| 14 | 32 |
| 15 | 64 |
| 16 | 128 |
| 17 | 256 |
| 18 | 512 |
| 19 | 1536 |
| 20 | 4608 |
| 21 | 13824 |
| 22 | 41472 |
| 23 | 124416 |
| 24 | 373248 |
| 25 | 1119744 |
| 26 | 3359232 |
| 27 | 10077696 |
| 28 | 40310784 |
| 29 | 161243136 |
| 30 | 644972544 |
| 31 | 2579890176 |
| 32 | 10319560704 |
| 33 | 41278242816 |
| 34 | 165112971264 |
| 35 | 660451885056 |
| 36 | 2641807540224 |