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A237960 Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
1422, 10942, 81483, 645156, 5242451, 41361664, 324579268, 2567231540, 20445704700, 161413538260, 1277153952270, 10095026043660, 80119191734632, 632823187624908, 5014971680503924, 39627280740228456, 314267888886806408 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237965

LINKS

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

R. H. Hardin, Empirical recurrence of order 82

FORMULA

Empirical recurrence of order 82 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A252107 A252114 A293093 * A023937 A068896 A225567

Adjacent sequences:  A237957 A237958 A237959 * A237961 A237962 A237963

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 16 2014

STATUS

approved

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Last modified May 24 01:29 EDT 2019. Contains 323528 sequences. (Running on oeis4.)