Number of permutations of floor(i*8/3), i=0..n-1, with all sums of 7 adjacent terms unique.
A152640
Number of permutations of floor(i*8/3), 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) =342720a(9) =3212640a(10) =32935104a(11) =363198208a(12) =4386176768a(13) =57533937696a(14) =797758720672
External references
- oeis: A152640