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A228739 Number of arrays of the median of three adjacent elements of some length n+2 0..7 array. 2

%I

%S 8,64,512,3312,17088,84288,410828,2037214,10282648,52493640,269103944,

%T 1379300658,7060313768,36093818956,184394586102,941828553348,

%U 4810728325582,24575097951832,125549549795310,641435496947444

%N Number of arrays of the median of three adjacent elements of some length n+2 0..7 array.

%C Column 7 of A228740

%H R. H. Hardin, <a href="/A228739/b228739.txt">Table of n, a(n) for n = 1..69</a>

%e Some solutions for n=4

%e ..2..1..7..5..3..1..4..4..1..5..5..4..4..6..2..5

%e ..2..1..4..5..7..0..3..6..1..1..1..4..2..4..2..1

%e ..3..1..1..4..3..3..5..3..1..3..1..5..6..0..1..6

%e ..3..3..3..5..1..3..3..5..5..3..2..4..6..2..2..3

%K nonn

%O 1,1

%A _R. H. Hardin_ Sep 01 2013

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Last modified January 17 11:12 EST 2022. Contains 350389 sequences. (Running on oeis4.)