Number of permutations of [n] such that for each cycle c the smallest integer interval containing all elements of c has at most nine elements.

A276843

Number of permutations of [n] such that for each cycle c the smallest integer interval containing all elements of c has at most nine elements.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =120a(6) =720a(7) =5040a(8) =40320a(9) =362880a(10) =1814400a(11) =8316000a(12) =37920960a(13) =176833800a(14) =852972120a(15) =4277399490a(16) =22346336880a(17) =121693555905a(18) =690665206113

External references