Number of permutations of floor(i*9/4), i=0..n-1, with all sums of 5 adjacent terms unique.
A152365
Number of permutations of floor(i*9/4), 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) =288144a(9) =2623296a(10) =25738160a(11) =286187056a(12) =3468902852a(13) =44081906430a(14) =594869073736
External references
- oeis: A152365