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A236983 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median plus the lower median of every 2X2 subblock equal 1
11388, 85064, 556322, 6304776, 59328026, 750471960, 8305755418, 107840744274, 1291740741806, 16958036927472, 212510033117726, 2814299956580172, 36286136997141332, 484166623246562742, 6360212644179129716 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A236987

LINKS

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

EXAMPLE

Some solutions for n=2

..2..0..2..2..2....3..1..3..3..3....2..1..2..2..0....0..2..1..3..1

..2..3..2..3..2....3..3..3..3..3....0..2..1..1..2....1..3..1..2..1

..2..2..0..2..2....3..2..3..2..3....2..1..2..2..1....2..1..2..2..2

CROSSREFS

Sequence in context: A251957 A272552 A237796 * A268841 A235016 A185768

Adjacent sequences:  A236980 A236981 A236982 * A236984 A236985 A236986

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 02 2014

STATUS

approved

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Last modified June 30 08:38 EDT 2022. Contains 354917 sequences. (Running on oeis4.)