Number of permutations of 1..n with the sequence of sums of 4 adjacent elements having exactly 4 maxima.
A179723
Number of permutations of 1..n with the sequence of sums of 4 adjacent elements having exactly 4 maxima.
Terms
- a(0) =0a(1) =25200a(2) =2772000a(3) =81681600a(4) =1676875200a(5) =28798770000
External references
- oeis: A179723