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A147905 Number of permutations of floor(i*8/5), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique. 0

%I

%S 1,2,6,16,74,384,1970,10282,65472,408096,3135626,22226326,167840010,

%T 1477742556,12643496462,132500787090

%N Number of permutations of floor(i*8/5), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique.

%K nonn

%O 1,2

%A _R. H. Hardin_, Nov 17 2008

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Last modified November 27 16:20 EST 2021. Contains 349394 sequences. (Running on oeis4.)