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A237902 Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
88964, 3351086, 130240640, 5180304200, 204201919828, 8050312460472, 317615484901450, 12541938210600686, 494997583640826026, 19532906919731530348, 770862072836077524892, 30425338599275066294072 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237904

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..55

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A022013 A233038 A205835 * A184028 A209896 A255390

Adjacent sequences:  A237899 A237900 A237901 * A237903 A237904 A237905

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 15 2014

STATUS

approved

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Last modified February 25 05:01 EST 2020. Contains 332217 sequences. (Running on oeis4.)