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A187436 Number of (n+1)X5 0..2 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors 1
44195, 6858445, 1070374436, 167339492229, 26149356865336, 4086873166309438, 638715674028172903, 99822247953081225350, 15600784723214037939595, 2438179545769314063666737, 381052572245918940155221097 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A187441

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..109

EXAMPLE

Some solutions for 3X5

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

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

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

CROSSREFS

Sequence in context: A190377 A049205 A234426 * A193055 A240099 A245483

Adjacent sequences:  A187433 A187434 A187435 * A187437 A187438 A187439

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 10 2011

STATUS

approved

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Last modified July 5 20:21 EDT 2020. Contains 335473 sequences. (Running on oeis4.)