A249618 Set partition (A231428) corresponding to the n-th finite permutation (A055089).
0, 1, 3, 4, 4, 2, 10, 11, 13, 14, 14, 12, 13, 14, 7, 9, 8, 14, 14, 12, 9, 5, 14, 6, 37, 38, 40, 41, 41, 39, 47, 48, 50
Offset: 0
Examples
The 23rd permutation is (1 4)(2 3) in cycle notation, and the corresponding set partition is {{1,4},{2,3}}, which is the 6th in the infinite order defined by A231428. So a(23) = 6.
Links
- Tilman Piesk, Permutations and partitions in the OEIS (Wikiversity)