Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 7 adjacent terms unique.
A152633
Number of permutations of floor(i*5/4), i=0..n-1, with all sums of 7 adjacent terms unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =5040a(7) =40320a(8) =337920a(9) =3074400a(10) =30083040a(11) =318394848a(12) =3670837024a(13) =46156955440a(14) =601879734872
External references
- oeis: A152633