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 | 5 |
| 2 | 12 |
| 3 | 23 |
| 4 | 40 |
| 5 | 67 |
| 6 | 112 |
| 7 | 191 |
| 8 | 336 |
| 9 | 611 |
| 10 | 1144 |
| 11 | 2191 |
| 12 | 4264 |
| 13 | 8387 |
| 14 | 16608 |
| 15 | 33023 |
| 16 | 65824 |
| 17 | 131395 |
| 18 | 262504 |
| 19 | 524687 |
| 20 | 1049016 |
| 21 | 2097635 |
| 22 | 4194832 |
| 23 | 8389183 |
| 24 | 16777840 |
| 25 | 33555107 |
| 26 | 67109592 |
| 27 | 134218511 |
| 28 | 268436296 |
| 29 | 536871811 |
| 30 | 1073742784 |
| 31 | 2147484671 |
| 32 | 4294968384 |
| 33 | 8589935747 |