Number of permutations of floor(i*7/6), i=0..n-1, with all sums of 7 adjacent terms unique.
A152639
Number of permutations of floor(i*7/6), 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) =336000a(9) =3023424a(10) =29230272a(11) =306056224a(12) =3505344736a(13) =43883479616a(14) =569305988568
External references
- oeis: A152639