Number of permutations of length n with exactly 8 occurrences of the pattern 2-13.

A120816

Number of permutations of length n with exactly 8 occurrences of the pattern 2-13.

Terms

    a(0) =9a(1) =716a(2) =20466a(3) =365996a(4) =4939341a(5) =55098294a(6) =535240680a(7) =4680045630a(8) =37665984798a(9) =283492037268

External references