The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A326162 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A326162

Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
(history; published version)

#4 by R. H. Hardin at Sun Jun 09 08:40:16 EDT 2019

STATUS

editing

approved

#3 by R. H. Hardin at Sun Jun 09 08:40:13 EDT 2019

LINKS

R. H. Hardin, <a href="/A326162/b326162.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Sun Jun 09 08:39:58 EDT 2019

NAME

allocated for R. H. Hardin

Number of nX5 0..1 arrays with every element unequal to 0, 1, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

DATA

8, 22, 60, 261, 1136, 5555, 27902, 142396, 715457, 3574752, 17784402, 88554024, 441286737, 2201585637, 10988353869, 54853491986, 273813203273, 1366709410340, 6821393389228, 34045549043276, 169920411349023, 848072514117158

OFFSET

1,1

COMMENTS

Column 5 of A326165.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A326165.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Jun 09 2019

STATUS

approved

editing

#1 by R. H. Hardin at Sun Jun 09 08:35:48 EDT 2019

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved