Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 6 adjacent terms unique.

A152387

Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 6 adjacent terms unique.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =5040a(7) =36096a(8) =290976a(9) =2536032a(10) =24291184a(11) =246261152a(12) =2795379016a(13) =33393132076a(14) =430378548546

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