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Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12
1

%I #5 Aug 11 2014 22:45:57

%S 2064,7742,31740,151304,738628,3840512,20547980,114726620,659505140,

%T 3907997608,23683903008,146366102920,917675482460,5819531525020,

%U 37212305290312,239438472633404,1547580286368172,10035656593477640

%N Number of (n+1)X(4+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12

%C Column 4 of A234114

%H R. H. Hardin, <a href="/A234110/b234110.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A234110/a234110.txt">Empirical recurrence of order 96</a>

%F Empirical recurrence of order 96 (see link above)

%e Some solutions for n=4

%e ..3..0..4..3..0....1..1..1..1..4....0..1..0..4..1....0..1..0..4..0

%e ..3..0..0..3..0....0..4..0..4..1....1..4..1..1..0....1..4..1..1..1

%e ..3..4..0..3..0....4..4..4..4..1....4..1..0..4..1....4..1..0..4..0

%e ..3..0..0..3..0....0..4..0..4..1....4..1..4..4..1....1..4..1..1..1

%e ..3..4..0..3..0....1..1..1..1..4....1..4..1..1..4....0..1..4..4..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 19 2013

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Last modified September 23 16:16 EDT 2024. Contains 376178 sequences. (Running on oeis4.)