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A185493 Number of (n+1)X6 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum 1
380, 20872, 559188, 17217132, 512228678, 15557758676, 468319269164, 14183811777874, 428304663870360, 12959263249428942, 391713900336756640, 11848007350522546976, 358238177899901779648, 10834146701839281093716 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A185497

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..45

EXAMPLE

Some solutions for 4X6

..0..0..1..1..0..1....0..0..1..1..1..0....0..0..0..1..1..1....0..0..1..0..1..0

..0..1..1..0..0..0....1..0..1..0..1..1....0..1..0..0..0..0....0..1..0..1..1..1

..0..0..0..1..0..0....0..0..1..1..0..0....1..0..0..1..1..1....0..0..1..0..1..0

..1..0..1..0..0..0....1..1..0..1..1..1....0..1..1..0..0..0....0..1..1..1..0..1

CROSSREFS

Sequence in context: A259520 A188307 A214145 * A023910 A035845 A028682

Adjacent sequences:  A185490 A185491 A185492 * A185494 A185495 A185496

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 29 2011

STATUS

approved

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Last modified October 28 17:19 EDT 2021. Contains 348329 sequences. (Running on oeis4.)