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A203933 Number of (n+1)X8 0..5 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements 0
701538156, 833700866796, 1311917257647036, 2297197186864332876, 4194818908674768075816, 7801943096191368986437356 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A203934

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=4

..2..5..2..2..1..0..5..3....5..4..3..2..1..1..1..5....3..5..3..1..5..3..4..0

..1..2..5..2..2..1..0..5....4..1..4..3..2..1..0..1....0..3..1..1..1..5..3..4

..0..1..2..5..2..2..1..0....2..4..1..4..3..2..1..0....5..0..3..1..2..1..5..3

..4..0..1..2..4..2..2..1....4..4..4..3..5..3..2..1....5..5..0..3..1..0..1..5

..0..1..0..1..2..3..2..2....2..4..2..4..3..4..3..2....3..5..5..0..3..1..0..1

CROSSREFS

Sequence in context: A274363 A034651 A274813 * A219279 A086041 A244186

Adjacent sequences:  A203930 A203931 A203932 * A203934 A203935 A203936

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 2012

STATUS

approved

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Last modified January 21 12:51 EST 2022. Contains 350477 sequences. (Running on oeis4.)