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 | 9 |
| 2 | 56 |
| 3 | 368 |
| 4 | 780 |
| 5 | 836 |
| 6 | 2352 |
| 7 | 11096 |
| 8 | 17816 |
| 9 | 45356 |
| 10 | 77744 |
| 11 | 91388 |
| 12 | 128768 |
| 13 | 254012 |
| 14 | 388076 |
| 15 | 430272 |
| 16 | 2087936 |
| 17 | 2291936 |
| 18 | 13174976 |
| 19 | 29465852 |
| 20 | 35021696 |
| 21 | 45335936 |
| 22 | 120888092 |
| 23 | 184773312 |
| 24 | 260378492 |
| 25 | 381236216 |
| 26 | 775397948 |
| 27 | 3381872252 |
| 28 | 4856970752 |
| 29 | 6800228816 |
| 30 | 8589344768 |
| 31 | 44257207676 |
| 32 | 114141404156 |
| 33 | 1461083549696 |
| 34 | 1471763808896 |
| 35 | 2199013818368 |