The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A298386 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A298386

Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.
(history; published version)

#4 by R. H. Hardin at Thu Jan 18 07:44:37 EST 2018

STATUS

editing

approved

#3 by R. H. Hardin at Thu Jan 18 07:44:35 EST 2018

LINKS

R. H. Hardin, <a href="/A298386/b298386.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Thu Jan 18 07:44:15 EST 2018

NAME

allocated for R. H. Hardin

Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

DATA

3, 174, 849, 5180, 49850, 384118, 2837337, 23616114, 189866553, 1494671805, 12070219670, 97177956375, 777079451436, 6244397567388, 50197589553023, 402810859823568, 3234998934835257, 25988345094585538, 208691785797536727

OFFSET

1,1

COMMENTS

Column 5 of A298389.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298389.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Jan 18 2018

STATUS

approved

editing

#1 by R. H. Hardin at Thu Jan 18 07:40:07 EST 2018

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved