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A237002 Number of (n+1)X(3+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal 1
5288, 79164, 1150036, 22056220, 411646536, 8124638140, 158569999540, 3140246502408, 61933486884504, 1227200207914348, 24281736510050872, 481242897954184144, 9533140821129343856, 188962382433686427052 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A237007
LINKS
EXAMPLE
Some solutions for n=2
..1..1..1..1....0..3..0..3....0..2..1..2....0..1..1..0....1..1..1..1
..2..0..1..3....1..1..1..1....3..1..3..0....3..2..2..2....1..0..2..1
..0..3..1..0....1..3..1..2....0..2..0..3....0..1..0..1....1..1..1..1
CROSSREFS
Sequence in context: A234994 A223341 A270798 * A178027 A053397 A300365
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 02 2014
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)