Number of permutations of 0..n-1 with all sums of 2 through 5 adjacent terms squared respectively unique.
A147734
Number of permutations of 0..n-1 with all sums of 2 through 5 adjacent terms squared respectively unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =624a(6) =4176a(7) =31564a(8) =271972a(9) =2654974a(10) =28246094a(11) =318206598a(12) =4037341122a(13) =53169596506
External references
- oeis: A147734