Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 6 adjacent terms unique.

A152374

Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 6 adjacent terms unique.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =5040a(7) =36864a(8) =300864a(9) =2655936a(10) =25669872a(11) =262292320a(12) =3057469072a(13) =37397021616a(14) =490976440820

External references