Number of permutations of floor(i*7/3), i=0..n-1, with all sums of 3 adjacent terms unique.
A152321
Number of permutations of floor(i*7/3), i=0..n-1, with all sums of 3 adjacent terms unique.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =24a(4) =104a(5) =572a(6) =3708a(7) =26080a(8) =203656a(9) =1891158a(10) =17801198a(11) =187809048a(12) =2197262096a(13) =25480703902a(14) =331576359352
External references
- oeis: A152321