Number of permutations of floor(i*9/7), i=0..n-1, with all sums of 6 adjacent terms unique.
A152386
Number of permutations of floor(i*9/7), 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) =37440a(8) =303912a(9) =2690304a(10) =25901984a(11) =269965600a(12) =3126293480a(13) =38002845800a(14) =508011792988
External references
- oeis: A152386