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A184027 1/8 the number of (n+1)X8 0..3 arrays with all 2X2 subblock sums the same 0
25538, 35771, 53948, 94469, 177386, 374381, 829724, 1994441, 4970738, 13142141, 35742788, 101630489 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A184029

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for 4X8

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

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

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

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

CROSSREFS

Sequence in context: A237865 A202646 A210093 * A023350 A163186 A232838

Adjacent sequences:  A184024 A184025 A184026 * A184028 A184029 A184030

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 08 2011

STATUS

approved

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Last modified November 26 21:07 EST 2021. Contains 349344 sequences. (Running on oeis4.)