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A236794 Number of (n+1)X(4+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2X2 subblock equal 1
2817, 34163, 420133, 6154349, 89430035, 1381705469, 21112919819, 330530592515, 5132785239389, 80558311836989, 1258143214588855, 19747668456598657, 309099597228629909, 4849994440613710567, 75985326471377621757 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A236798

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

..0..1..0..2..1....2..0..1..1..1....2..0..1..1..1....0..1..2..2..0

..1..2..0..1..0....1..2..2..1..2....0..1..2..0..2....2..2..0..2..2

..0..1..0..2..0....0..2..0..2..0....2..1..0..1..0....0..2..2..0..2

CROSSREFS

Sequence in context: A236135 A179159 A248985 * A182151 A182085 A271580

Adjacent sequences:  A236791 A236792 A236793 * A236795 A236796 A236797

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2014

STATUS

approved

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Last modified October 26 17:32 EDT 2020. Contains 338027 sequences. (Running on oeis4.)