Number of permutations of floor(i*7/4), i=0..n-1, with all sums of 4 adjacent terms unique.
A152340
Number of permutations of floor(i*7/4), 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) =672a(6) =4260a(7) =29280a(8) =242724a(9) =2159176a(10) =20864844a(11) =223065582a(12) =2583122958a(13) =31759066828a(14) =413564101194
External references
- oeis: A152340