Number of permutations of [n] having exactly 6 strong fixed blocks.

A225967

Number of permutations of [n] having exactly 6 strong fixed blocks.

Terms

    a(0) =1a(1) =21a(2) =273a(3) =2874a(4) =27243a(5) =246037a(6) =2192863a(7) =19766016a(8) =183564396a(9) =1782944112a(10) =18338911012a(11) =201770228316

External references