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A147948 Number of permutations of floor(i*8/3), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique. 0

%I #5 Apr 07 2021 19:20:37

%S 1,2,6,24,96,376,2214,13736,74156,544746,4324788,30292498,269800764,

%T 2608556020,21489980046,228274108362

%N Number of permutations of floor(i*8/3), 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 April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)