Number of permutations of floor(i*7/3), i=0..n-1, with all sums of 4 adjacent terms unique.
A152339
Number of permutations of floor(i*7/3), 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) =4248a(7) =30912a(8) =252656a(9) =2303948a(10) =22199818a(11) =239420346a(12) =2870638260a(13) =35209136462a(14) =475497621586
External references
- oeis: A152339