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A237934
Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one
1
81402, 2744048, 94068938, 3422869862, 120261272346, 4232660312790, 149839687112404, 5374881900028516, 190148789948171974, 6721705698951447792, 238540040050401540444, 8504061339612849316530, 301419635279288041707710
OFFSET
1,1
COMMENTS
Column 4 of A237936
LINKS
EXAMPLE
Some solutions for n=1
..1..1..2..1..2....3..0..1..1..2....1..3..2..2..0....2..2..0..3..0
..2..1..2..0..1....0..1..1..1..0....3..3..3..1..1....3..1..1..0..0
CROSSREFS
Sequence in context: A029752 A043608 A249231 * A134122 A138044 A098187
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 16 2014
STATUS
approved