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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
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 31 2011
STATUS
approved

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Last modified March 1 20:05 EST 2024. Contains 370443 sequences. (Running on oeis4.)