Number of permutations of floor(i*6/5), i=0..n-1, with all sums of 4 adjacent terms unique.
A152338
Number of permutations of floor(i*6/5), i=0..n-1, with all sums of 4 adjacent terms unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =640a(6) =3924a(7) =27552a(8) =197364a(9) =1677640a(10) =16002846a(11) =159888834a(12) =1733332410a(13) =19754032288a(14) =242687959560
External references
- oeis: A152338