Number of permutations of floor(i*4/3), i=0..n-1, with all sums of 7 adjacent terms unique.
A152630
Number of permutations of floor(i*4/3), 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) =339840a(9) =3110688a(10) =30764160a(11) =327951296a(12) =3794950176a(13) =48149991440a(14) =637721090592
External references
- oeis: A152630