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 | 2 |
| 2 | 6 |
| 3 | 16 |
| 4 | 34 |
| 5 | 68 |
| 6 | 128 |
| 7 | 228 |
| 8 | 390 |
| 9 | 650 |
| 10 | 1052 |
| 11 | 1664 |
| 12 | 2584 |
| 13 | 3940 |
| 14 | 5916 |
| 15 | 8768 |
| 16 | 12826 |
| 17 | 18552 |
| 18 | 26566 |
| 19 | 37672 |
| 20 | 52956 |
| 21 | 73848 |
| 22 | 102192 |
| 23 | 140420 |
| 24 | 191688 |
| 25 | 260038 |
| 26 | 350700 |
| 27 | 470384 |
| 28 | 627604 |
| 29 | 833236 |
| 30 | 1101080 |
| 31 | 1448500 |
| 32 | 1897438 |
| 33 | 2475464 |
| 34 | 3217016 |
| 35 | 4165200 |
| 36 | 5373714 |
| 37 | 6909180 |
| 38 | 8854288 |