Number of permutations of [n] with nondecreasing cycle sizes.

A286074

Number of permutations of [n] with nondecreasing cycle sizes.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =13a(5) =45a(6) =250a(7) =1342a(8) =10085a(9) =76165a(10) =715588a(11) =6786108a(12) =78636601a(13) =896672473a(14) =12112535378a(15) =163963519810

External references