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A147939 Number of permutations of floor(i*8/3), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique. 0

%I #5 Apr 07 2021 19:18:59

%S 1,2,6,24,96,376,2214,13736,74156,544746,4407076,31351588,285115742,

%T 2837535876,24004174902,263778523564

%N Number of permutations of floor(i*8/3), 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 April 25 13:01 EDT 2024. Contains 371969 sequences. (Running on oeis4.)