Number of permutations of 0..n-1 with all sums of 4 adjacent terms unique.
A152332
Number of permutations of 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) =174536a(9) =1409200a(10) =12672984a(11) =123070048a(12) =1287015142a(13) =14387894342a(14) =172259484314
External references
- oeis: A152332