The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A222648 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A222648

Number of nX7 0..2 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order
(history; published version)

#4 by R. H. Hardin at Wed Feb 27 08:42:27 EST 2013

STATUS

editing

approved

#3 by R. H. Hardin at Wed Feb 27 08:42:23 EST 2013

LINKS

R. H. Hardin, <a href="/A222648/b222648.txt">Table of n, a(n) for n = 1..19</a>

#2 by R. H. Hardin at Wed Feb 27 08:42:09 EST 2013

NAME

allocated for R. H. Hardin

Number of nX7 0..2 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order

DATA

17, 430, 5625, 317655, 5969486, 368332772, 8520024036, 648782020938, 17328016063058, 1457682246017845, 41488753505593111, 3633393326638123182, 105717575729773013067, 9379982461411242670482, 274913106384505454818011

OFFSET

1,1

COMMENTS

Column 7 of A222649

EXAMPLE

Some solutions for n=3

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin Feb 27 2013

STATUS

approved

editing

#1 by R. H. Hardin at Wed Feb 27 08:35:31 EST 2013

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved