Number of permutations of floor(i*7/2), i=0..n-1, with all sums of 6 adjacent terms unique.

A152376

Number of permutations of floor(i*7/2), 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) =37248a(8) =311256a(9) =2830368a(10) =28714256a(11) =307721984a(12) =3759664356a(13) =48514165952a(14) =674493371948

External references