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A236197
Number of (n+1)X(3+1) 0..3 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock
1
33546, 1971348, 114241318, 6664918820, 390311787452, 22840834091972, 1334884680785446, 78032386745939988, 4563218729079677710, 266833728103517915052, 15601261194581194990440, 912195224615646372620048
OFFSET
1,1
COMMENTS
Column 3 of A236198
LINKS
EXAMPLE
Some solutions for n=1
..3..3..0..3....0..1..0..2....1..0..2..0....2..3..3..2....1..1..1..3
..1..0..1..2....1..3..3..0....2..2..2..1....1..2..0..1....0..1..1..0
CROSSREFS
Sequence in context: A069303 A235678 A235448 * A217565 A142587 A116496
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 20 2014
STATUS
approved