The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A303106

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Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
(history; published version)

#4 by R. H. Hardin at Wed Apr 18 12:41:53 EDT 2018

STATUS

editing

approved

#3 by R. H. Hardin at Wed Apr 18 12:41:50 EDT 2018

LINKS

R. H. Hardin, <a href="/A303106/b303106.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Wed Apr 18 12:41:35 EDT 2018

NAME

allocated for R. H. Hardin

Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

DATA

0, 361, 17229, 523578, 22292709, 906385523, 37220475492, 1524895247525, 62554206264579, 2565661994238856, 105233833702602217, 4316305100898465120, 177039165517795607628, 7261509407874389623218, 297840901987105112478569

OFFSET

1,2

COMMENTS

Row 6 of A303102.

EXAMPLE

Some solutions for n=5

..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0

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

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

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

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

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

CROSSREFS

Cf. A303102.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Apr 18 2018

STATUS

approved

editing

#1 by R. H. Hardin at Wed Apr 18 12:30:09 EDT 2018

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved