Number of permutations of floor(i*7/5), i=0..n-1, with all sums of 7 adjacent terms unique.
A152638
Number of permutations of floor(i*7/5), 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) =341760a(9) =3129408a(10) =31267872a(11) =336706304a(12) =3892760640a(13) =48256123072a(14) =654140524488
External references
- oeis: A152638