The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A303195 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A303195

Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
(history; published version)

#4 by R. H. Hardin at Thu Apr 19 13:35:15 EDT 2018

STATUS

editing

approved

#3 by R. H. Hardin at Thu Apr 19 13:35:12 EDT 2018

LINKS

R. H. Hardin, <a href="/A303195/b303195.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Thu Apr 19 13:34:57 EDT 2018

NAME

allocated for R. H. Hardin

Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

DATA

13, 65, 105, 283, 2106, 8250, 32223, 159440, 703465, 2973340, 13494853, 60180498, 262407902, 1167392813, 5190322216, 22874608873, 101334971043, 449454168985, 1987423197338, 8798329818980, 38980239305306, 172530975264447

OFFSET

1,1

COMMENTS

Column 6 of A303197.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A303197.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Apr 19 2018

STATUS

approved

editing

#1 by R. H. Hardin at Thu Apr 19 13:31:12 EDT 2018

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved