Number of permutations of [n] having six cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.

A346321

Number of permutations of [n] having six cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.

Terms

    a(0) =1a(1) =21a(2) =322a(3) =4284a(4) =52941a(5) =627627a(6) =7264499a(7) =82948008a(8) =940359420a(9) =10628025408a(10) =120071145376

External references