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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 January 28 18:02 EST 2022. Contains 350657 sequences. (Running on oeis4.)