Number of permutations of floor(i*7/4), i=0..n-1, with all sums of 7 adjacent terms unique.

A152637

Number of permutations of floor(i*7/4), i=0..n-1, with all sums of 7 adjacent terms unique.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =5040a(7) =40320a(8) =343680a(9) =3222432a(10) =32454144a(11) =355035200a(12) =4246001216a(13) =53718115024a(14) =739420640352

External references