Number of permutations of floor(i*7/6), i=0..n-1, with all sums of 3 adjacent terms unique.

A152324

Number of permutations of floor(i*7/6), i=0..n-1, with all sums of 3 adjacent terms unique.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =96a(5) =520a(6) =3084a(7) =20712a(8) =148184a(9) =1207076a(10) =10350164a(11) =98187296a(12) =1025470092a(13) =11481572034a(14) =135075238176

External references