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A237924 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
10316, 142488, 1926461, 26467386, 362996768, 4957001920, 68164733860, 934379485016, 12832924363235, 175593729622252, 2413683079071333, 33054594955697174, 454150949197255644, 6216927174763938000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237927

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A099746 A083438 A212939 * A255658 A178582 A178584

Adjacent sequences:  A237921 A237922 A237923 * A237925 A237926 A237927

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 15 2014

STATUS

approved

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Last modified November 11 15:49 EST 2019. Contains 329019 sequences. (Running on oeis4.)