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A265596 Number of nX3 0..n*3-1 arrays with upper left zero and lower right n*3-1 and each element differing from its horizontal, vertical and antidiagonal neighbors by a power of two. 1
1, 4, 0, 177, 2228, 0, 534268, 1808623, 0, 221771015, 9350721457, 0, 1164230050591, 8981789416609, 0, 1113779465888434, 35768924074919695, 0, 6116073611940463518, 38407633854606693981, 0, 8985586499215136905778 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 3 of A265601.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=5

..0..2..1....0..2.10....0..8..7....0..8.10....0..2..1....0..2..4....0..8..4

..4..3..5....4..6..2....4..6..8....4.12.11....4..0..2....4..0..8....4..0..8

..5..7..6....8.10..6....8.10..9....8.10.12....8..4..6....2..4.12....8..4..6

..6..8.10...12.14.10....6..8.10...12..8.10....6..8.10....0..8.10...12..8.10

..4.12.14...10..6.14....7..6.14...10..6.14...10.12.14....4..6.14....4..6.14

CROSSREFS

Cf. A265601.

Sequence in context: A264883 A298447 A138734 * A119010 A255018 A176050

Adjacent sequences:  A265593 A265594 A265595 * A265597 A265598 A265599

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 10 2015

STATUS

approved

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Last modified March 28 07:59 EDT 2020. Contains 333079 sequences. (Running on oeis4.)