Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 4 adjacent terms unique.
A152349
Number of permutations of floor(i*9/8), 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) =608a(6) =3684a(7) =23136a(8) =185772a(9) =1557704a(10) =14531768a(11) =142953580a(12) =1530728460a(13) =17401543208a(14) =210735290068
External references
- oeis: A152349