Number of permutations of floor(i*7/2), i=0..n-1, with all sums of 5 adjacent terms unique.
A152357
Number of permutations of floor(i*7/2), i=0..n-1, with all sums of 5 adjacent terms unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =4608a(7) =33984a(8) =276288a(9) =2537184a(10) =25548736a(11) =281073224a(12) =3320705664a(13) =42175645776a(14) =579255683768
External references
- oeis: A152357