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A185612 Number of (n+1)X4 0..2 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum 1
361, 24993, 554305, 16830089, 455401149, 13132512119, 367637937923, 10506617192993, 296987801260129, 8464347660715807, 240114023418741889, 6835977634553467489, 194207139150443251969, 5526371145953118444347 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A185614

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..61

EXAMPLE

Some solutions for 3X4

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

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

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

CROSSREFS

Sequence in context: A302385 A303106 A186869 * A302957 A232081 A231770

Adjacent sequences:  A185609 A185610 A185611 * A185613 A185614 A185615

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 31 2011

STATUS

approved

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Last modified June 28 07:25 EDT 2022. Contains 354903 sequences. (Running on oeis4.)