Number of permutations of floor(i*4/3), i=0..n-1, with all sums of 4 adjacent terms unique.
A152334
Number of permutations of floor(i*4/3), 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) =3936a(7) =28800a(8) =221000a(9) =1890260a(10) =17757658a(11) =178522700a(12) =1984189170a(13) =23487665246a(14) =293589788564
External references
- oeis: A152334