Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 5 adjacent terms unique.
A152366
Number of permutations of floor(i*9/5), i=0..n-1, with all sums of 5 adjacent terms unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =4800a(7) =34944a(8) =284112a(9) =2610000a(10) =25619416a(11) =281967300a(12) =3260094820a(13) =40530153902a(14) =544648728448
External references
- oeis: A152366