Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 7 adjacent terms unique.
A152645
Number of permutations of floor(i*9/5), 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) =344640a(9) =3214080a(10) =32654592a(11) =362526336a(12) =4287655360a(13) =54096841216a(14) =740614408736
External references
- oeis: A152645