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A237949 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 differing from its horizontal and vertical neighbors by exactly one 1
50268, 945688, 17612024, 386513430, 7955118248, 171966060604, 3650074854108, 80156219654316, 1707964148016404, 36925068554778528, 793835282719330844, 17305654560457523958, 371564547082692396516, 8024430424508906885568 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A237951

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..50

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A268279 A202490 A105001 * A251466 A267252 A166760

Adjacent sequences:  A237946 A237947 A237948 * A237950 A237951 A237952

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 16 2014

STATUS

approved

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Last modified April 14 22:47 EDT 2021. Contains 342971 sequences. (Running on oeis4.)