The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A279746

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Number of 6Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.
(history; published version)

#4 by R. H. Hardin at Sun Dec 18 07:48:54 EST 2016

STATUS

editing

approved

#3 by R. H. Hardin at Sun Dec 18 07:48:50 EST 2016

LINKS

R. H. Hardin, <a href="/A279746/b279746.txt">Table of n, a(n) for n = 1..186</a>

#2 by R. H. Hardin at Sun Dec 18 07:48:32 EST 2016

NAME

allocated for R. H. Hardin

Number of 6Xn 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

DATA

0, 240, 3402, 32430, 281350, 2407152, 19743140, 158848594, 1258624282, 9844338028, 76222734478, 585218086730, 4461176817796, 33798763018094, 254698642981228, 1910389951978662, 14270404594453084, 106212957005378782

OFFSET

1,2

COMMENTS

Row 6 of A279741.

EXAMPLE

Some solutions for n=4

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

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

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

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

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

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

CROSSREFS

Cf. A279741.

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Dec 18 2016

STATUS

approved

editing

#1 by R. H. Hardin at Sun Dec 18 07:36:31 EST 2016

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved