Number of permutations of order n with the length of longest run equal 9.

A230132

Number of permutations of order n with the length of longest run equal 9.

Terms

    a(0) =2a(1) =36a(2) =574a(3) =9024a(4) =145080a(5) =2419872a(6) =42129360a(7) =767370240a(8) =14631376500a(9) =291914163322

External references