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A237553 Number of (n+1)X(4+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1

%I

%S 4752,44668,343356,3207808,31949604,343405228,3451915208,35706407872,

%T 366179841668,3961978247404,40254023599420,416899486720746,

%U 4287479200890220,46169383245256136,470989649165202440

%N Number of (n+1)X(4+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

%C Column 4 of A237557

%H R. H. Hardin, <a href="/A237553/b237553.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A237553/a237553.txt">Empirical recurrence of order 90</a>

%F Empirical recurrence of order 90 (see link above)

%e Some solutions for n=2

%e ..1..0..0..2..0....1..0..0..2..1....0..2..2..1..0....0..2..1..1..2

%e ..2..1..1..0..2....0..1..0..0..1....1..1..0..0..1....1..1..2..0..2

%e ..1..2..1..0..1....2..1..0..1..1....0..0..2..2..1....1..1..0..0..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 09 2014

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Last modified November 27 16:35 EST 2021. Contains 349394 sequences. (Running on oeis4.)