Number of permutations of 1..n with the sequence of sums of 6 adjacent elements having exactly 1 maximum.
A179728
Number of permutations of 1..n with the sequence of sums of 6 adjacent elements having exactly 1 maximum.
Terms
- a(0) =0a(1) =720a(2) =5040a(3) =30240a(4) =181440a(5) =1134000a(6) =7484400a(7) =52390800a(8) =454053600a(9) =3935131200a(10) =34810776000a(11) =314810496000
External references
- oeis: A179728