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A147912 Number of permutations of floor(i*7/4), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique. 0

%I

%S 1,2,6,24,96,456,2134,11650,74546,530962,3285816,22665948,187716490,

%T 1693665742,13845532508,121701474366

%N Number of permutations of floor(i*7/4), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 17 2008

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Last modified August 12 12:05 EDT 2022. Contains 356072 sequences. (Running on oeis4.)