Number of permutations of 1..n with the sequence of sums of 3 adjacent elements having exactly 4 maxima.
A179719
Number of permutations of 1..n with the sequence of sums of 3 adjacent elements having exactly 4 maxima.
Terms
- a(0) =0a(1) =13440a(2) =344400a(3) =5936700a(4) =99514800a(5) =1687205520a(6) =28278458208
External references
- oeis: A179719