The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A218844

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Unmatched value maps: number of 3Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 3Xn array
(history; published version)

#4 by R. H. Hardin at Wed Nov 07 12:39:47 EST 2012

STATUS

editing

approved

#3 by R. H. Hardin at Wed Nov 07 12:39:44 EST 2012

LINKS

R. H. Hardin, <a href="/A218844/b218844.txt">Table of n, a(n) for n = 1..53</a>

#2 by R. H. Hardin at Wed Nov 07 12:39:25 EST 2012

NAME

allocated for R. H. Hardin

Unmatched value maps: number of 3Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 3Xn array

DATA

1, 21, 93, 453, 2050, 9516, 44129, 204780, 950346, 4410194, 20465923, 94974721, 440743516, 2045330613, 9491634200, 44047218242, 204407115009, 948579057090, 4402010267626, 20428127976053, 94799509246526, 439930030199648

OFFSET

1,2

COMMENTS

Row 3 of A218842

EXAMPLE

Some solutions for n=3

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin Nov 07 2012

STATUS

approved

editing

#1 by R. H. Hardin at Wed Nov 07 12:31:09 EST 2012

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved