Number of permutations of 0..n-1 with all sums of 7 adjacent terms unique.
A152628
Number of permutations of 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) =330240a(9) =2926656a(10) =27806976a(11) =287160384a(12) =3186150912a(13) =38895891136a(14) =493003257904
External references
- oeis: A152628