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A233945 Number of (n+1)X(4+1) 0..2 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 4 1
5874, 180972, 5601514, 176523392, 5575336614, 176443282254, 5586328225626, 176913068237196, 5603035961686288, 177460847788244822, 5620646148479558100, 178021391899030038958, 5638438079563147913958, 178585324902769571980418 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A233949

LINKS

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

R. H. Hardin, Empirical recurrence of order 70

FORMULA

Empirical recurrence of order 70 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A333232 A053340 A291597 * A264216 A061735 A251469

Adjacent sequences:  A233942 A233943 A233944 * A233946 A233947 A233948

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 18 2013

STATUS

approved

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Last modified January 20 10:18 EST 2022. Contains 350471 sequences. (Running on oeis4.)