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A233935 Number of (n+1)X(2+1) 0..7 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 16 1
1996, 12864, 85080, 661392, 5143164, 46016668, 395061480, 3815093864, 34317822704, 342312388928, 3138638309824, 31688893834996, 292797131523640, 2968457026273244, 27519218048473688, 279316588787043048 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 2 of A233939

LINKS

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

EXAMPLE

Some solutions for n=3

..6..3..0....6..1..6....3..1..3....2..3..0....2..7..7....7..6..4....3..4..7

..1..2..5....5..4..5....4..6..4....7..4..5....3..2..6....2..5..1....7..2..3

..5..0..3....7..2..7....1..3..1....2..5..0....7..2..6....7..6..6....7..6..1

..4..5..2....5..4..3....6..2..6....7..4..5....4..3..1....7..2..2....5..2..1

CROSSREFS

Sequence in context: A233712 A223366 A034588 * A250380 A079012 A063472

Adjacent sequences:  A233932 A233933 A233934 * A233936 A233937 A233938

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 18 2013

STATUS

approved

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Last modified October 18 07:16 EDT 2019. Contains 328146 sequences. (Running on oeis4.)