Number of permutations of 0..n-1 with all sums of 2 through 3 adjacent terms squared respectively unique.
A147732
Number of permutations of 0..n-1 with all sums of 2 through 3 adjacent terms squared respectively unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =624a(6) =4176a(7) =32620a(8) =284384a(9) =2803702a(10) =29664334a(11) =339061272a(12) =4391825384a(13) =58843870478a(14) =866121264934
External references
- oeis: A147732