The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A298658 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A298658

Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.
(history; published version)

#4 by R. H. Hardin at Wed Jan 24 10:10:23 EST 2018

STATUS

editing

approved

#3 by R. H. Hardin at Wed Jan 24 10:10:20 EST 2018

LINKS

R. H. Hardin, <a href="/A298658/b298658.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Wed Jan 24 10:10:07 EST 2018

NAME

allocated for R. H. Hardin

Number of nX6 0..1 arrays with every element equal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

DATA

5, 49, 34, 173, 431, 1116, 2562, 6711, 17405, 48462, 125671, 334571, 901387, 2398458, 6398293, 17158639, 45911441, 122885609, 329214517, 881849126, 2361859125, 6328533398, 16955926709, 45429854362, 121730159805, 326179436515

OFFSET

1,1

COMMENTS

Column 6 of A298660.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298660.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Jan 24 2018

STATUS

approved

editing

#1 by R. H. Hardin at Wed Jan 24 10:07:24 EST 2018

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved