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 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 14 |
| 5 | 16 |
| 6 | 44 |
| 7 | 64 |
| 8 | 182 |
| 9 | 292 |
| 10 | 560 |
| 11 | 1024 |
| 12 | 2276 |
| 13 | 4096 |
| 14 | 8384 |
| 15 | 16528 |
| 16 | 33698 |
| 17 | 65536 |
| 18 | 132308 |
| 19 | 262144 |
| 20 | 526496 |
| 21 | 1049152 |
| 22 | 2100224 |
| 23 | 4194304 |
| 24 | 8398028 |
| 25 | 16778512 |
| 26 | 33566720 |
| 27 | 67112068 |
| 28 | 134244992 |
| 29 | 268435456 |
| 30 | 536927984 |
| 31 | 1073741824 |
| 32 | 2147591558 |