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A207589 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically 12
2, 4, 4, 6, 16, 6, 10, 36, 36, 9, 16, 100, 60, 81, 13, 26, 256, 144, 144, 169, 18, 42, 676, 324, 432, 312, 324, 25, 68, 1764, 756, 1098, 1014, 612, 625, 34, 110, 4624, 1728, 3150, 3094, 2232, 1250, 1156, 46, 178, 12100, 3996, 8244, 9698, 7272, 5000, 2516, 2116, 62 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

..2....4....6....10....16.....26.....42......68......110......178.......288

..4...16...36...100...256....676...1764....4624....12100....31684.....82944

..6...36...60...144...324....756...1728....3996.....9180....21168.....48708

..9...81..144...432..1098...3150...8244...23202....61560...171468....458640

.13..169..312..1014..3094...9698..30056...93782...291304...908102...2822456

.18..324..612..2232..7272..25776..85536..300096..1004364..3501756..11782620

.25..625.1250..5000.18150..70800.263550.1018700..3824100.14714500..55475900

.34.1156.2516.11220.46716.204476.876860.3832616.16578128.72435844.314466680

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..971

EXAMPLE

Some solutions for n=4 k=3

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

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

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

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

CROSSREFS

Column 1 is A171861(n+1)

Column 2 is A207025

Row 1 is A006355(n+2)

Row 2 is A206981

Sequence in context: A207453 A208287 A208501 * A208069 A208840 A208688

Adjacent sequences:  A207586 A207587 A207588 * A207590 A207591 A207592

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Feb 19 2012

STATUS

approved

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Last modified September 24 22:46 EDT 2021. Contains 347651 sequences. (Running on oeis4.)