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A183497 Half the number of nX4 0..2 arrays with no element equal to the sum mod 3 of its horizontal and vertical neighbors 1
8, 128, 2088, 33057, 524288, 8388608, 134226432, 2147483648, 34360795152, 549755813888, 8796095152128, 140737488355328, 2251799813685248, 36028801316028672, 576460752842391552, 9223372036854775808 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A183501
LINKS
EXAMPLE
Some solutions for 3X4
..2..1..0..2....0..0..2..1....1..2..0..1....0..0..1..1....2..2..1..1
..2..1..2..0....1..0..2..0....0..2..1..2....2..1..2..2....1..1..2..1
..1..0..2..1....2..2..1..2....1..0..1..1....0..2..2..0....0..0..0..0
CROSSREFS
Sequence in context: A317513 A300178 A013777 * A370102 A237023 A156270
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved

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Last modified June 14 07:34 EDT 2024. Contains 373393 sequences. (Running on oeis4.)