Number of permutations of 1..n with the sequence of sums of 7 adjacent elements having exactly 2 maxima.

A179732

Number of permutations of 1..n with the sequence of sums of 7 adjacent elements having exactly 2 maxima.

Terms

    a(0) =0a(1) =90720a(2) =1814400a(3) =24948000a(4) =299376000a(5) =3405402000a(6) =38140502400a(7) =429080652000

External references