Number of permutations of [n] having seven 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.
A346322
Number of permutations of [n] having seven 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) =28a(2) =546a(3) =9030a(4) =136521a(5) =1956570a(6) =27124955a(7) =368258891a(8) =4934711782a(9) =65608599056a(10) =868543125632
External references
- oeis: A346322