The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A207797 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A207797

Number of (n+1) X 7 0..3 arrays with every 2 X 3 or 3 X 2 subblock having an unequal number of clockwise and counterclockwise edge increases.
(history; published version)

#6 by Jon E. Schoenfield at Tue Oct 06 21:52:16 EDT 2015

STATUS

editing

approved

#5 by Jon E. Schoenfield at Tue Oct 06 21:52:14 EDT 2015

NAME

Number of (n+1)X7 X 7 0..3 arrays with every 2X3 2 X 3 or 3X2 3 X 2 subblock having an unequal number of clockwise and anticlockwise counterclockwise edge increases.

COMMENTS

Column 6 of A207799.

EXAMPLE

Some solutions for n=2:

AUTHOR

R. H. Hardin , Feb 20 2012

STATUS

approved

editing

#4 by Russ Cox at Sat Mar 31 12:37:19 EDT 2012

AUTHOR

_R. H. Hardin (rhhardin(AT)att.net) _ Feb 20 2012

Discussion

Sat Mar 31

12:37

OEIS Server: https://oeis.org/edit/global/875

#3 by Ron Hardin at Mon Feb 20 07:36:46 EST 2012

STATUS

editing

approved

#2 by Ron Hardin at Mon Feb 20 07:36:22 EST 2012

NAME

allocated for Ron HardinNumber of (n+1)X7 0..3 arrays with every 2X3 or 3X2 subblock having an unequal number of clockwise and anticlockwise edge increases

DATA

15376544, 3276916896, 873499447968, 242220624640736, 68409320823594368

OFFSET

1,1

COMMENTS

Column 6 of A207799

EXAMPLE

Some solutions for n=2

..1..3..1..0..3..3..3....0..1..0..2..2..0..1....0..0..1..1..3..3..0

..2..2..3..3..2..0..3....3..2..0..0..1..2..1....3..1..2..3..1..2..1

..2..2..0..3..1..2..2....0..2..2..3..0..0..3....0..3..2..3..0..3..2

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Feb 20 2012

STATUS

approved

editing

#1 by Ron Hardin at Mon Feb 20 07:30:23 EST 2012

NAME

allocated for Ron Hardin

KEYWORD

allocated

STATUS

approved