The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A240647

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Number of nX6 0..1 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..1 introduced in row major order
(history; published version)

#4 by R. H. Hardin at Wed Apr 09 19:15:58 EDT 2014

STATUS

editing

approved

#3 by R. H. Hardin at Wed Apr 09 19:15:56 EDT 2014

LINKS

R. H. Hardin, <a href="/A240647/b240647.txt">Table of n, a(n) for n = 1..210</a>

#2 by R. H. Hardin at Wed Apr 09 19:15:42 EDT 2014

NAME

allocated for R. H. Hardin

Number of nX6 0..1 arrays with no element equal to the same number of vertical neighbors as horizontal neighbors, with new values 0..1 introduced in row major order

DATA

5, 10, 60, 168, 953, 5304, 29481, 168320, 990468, 5920658, 36118925, 223452736, 1398014617, 8822174770, 56061936636, 358120024848, 2296837339689, 14776222949736, 95279221861053, 615439624491192, 3980504657629172

OFFSET

1,1

COMMENTS

Column 6 of A240649

EXAMPLE

Some solutions for n=4

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

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

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

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

KEYWORD

allocated

nonn

AUTHOR

R. H. Hardin, Apr 09 2014

STATUS

approved

editing

#1 by R. H. Hardin at Wed Apr 09 19:11:59 EDT 2014

NAME

allocated for R. H. Hardin

KEYWORD

allocated

STATUS

approved