The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A230913 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A230913

Number of nX6 0..7 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 8, and upper left element zero
(history; published version)

#4 by R. H. Hardin at Fri Nov 01 08:42:29 EDT 2013

STATUS

editing

approved

#3 by R. H. Hardin at Fri Nov 01 08:42:26 EDT 2013

LINKS

R. H. Hardin, <a href="/A230913/b230913.txt">Table of n, a(n) for n = 1..151</a>

#2 by R. H. Hardin at Fri Nov 01 08:42:12 EDT 2013

NAME

allocated for R. H. Hardin

Number of nX6 0..7 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 8, and upper left element zero

DATA

0, 8, 1650, 154352, 16515468, 1821132074, 198872246508, 21679064102116, 2364862422099058, 257998825106362242, 28145414002555763394, 3070395667534086308108, 334951970767843594487436

OFFSET

1,2

COMMENTS

Column 6 of A230915

EXAMPLE

Some solutions for n=3

..0..1..0..7..2..3....0..1..4..5..0..1....0..1..2..3..4..5....0..1..2..1..0..1

..2..3..6..5..4..3....2..3..6..7..2..1....0..1..0..7..6..5....0..3..4..3..2..1

..4..5..2..3..2..1....4..5..4..3..0..7....0..7..6..3..4..3....2..5..6..7..0..7

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Nov 01 2013

STATUS

approved

editing

#1 by R. H. Hardin at Fri Nov 01 08:38:52 EDT 2013

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved