Number of ordered partitions of a 2n-set with nondecreasing block sizes and maximal block size equal to n.
A266518
Number of ordered partitions of a 2n-set with nondecreasing block sizes and maximal block size equal to n.
Terms
- a(0) =1a(1) =2a(2) =18a(3) =200a(4) =3290a(5) =61992a(6) =1480248a(7) =39402792a(8) =1229123610a(9) =42349478600
External references
- oeis: A266518