Number of permutations of 1..n with the sequence of sums of 5 adjacent elements having exactly 2 maxima.
A179725
Number of permutations of 1..n with the sequence of sums of 5 adjacent elements having exactly 2 maxima.
Terms
- a(0) =0a(1) =1260a(2) =20160a(3) =226800a(4) =2268000a(5) =20790000a(6) =192931200a(7) =1931529600a(8) =20718297600a(9) =232744512000
External references
- oeis: A179725