A086585 Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A085169/A085170.
1, 1, 2, 4, 8, 18, 40, 86, 198, 438, 982, 2218, 5072, 11642
Offset: 0
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.