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 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 22 |
| 6 | 40 |
| 7 | 114 |
| 8 | 12 |
| 9 | 480 |
| 10 | 944 |
| 11 | 2026 |
| 12 | 3918 |
| 13 | 8166 |
| 14 | 16104 |
| 15 | 32630 |
| 16 | 240 |
| 17 | 131038 |
| 18 | 260928 |
| 19 | 524250 |
| 20 | 1046418 |
| 21 | 2096706 |
| 22 | 4190168 |
| 23 | 8388562 |
| 24 | 16768200 |
| 25 | 33554240 |
| 26 | 67092432 |
| 27 | 134216136 |
| 28 | 268402446 |
| 29 | 536870854 |
| 30 | 1073672968 |
| 31 | 2147483586 |
| 32 | 65280 |
| 33 | 8589928346 |
| 34 | 17179606976 |
| 35 | 34359737478 |