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 A265177 Number of n X 5 0..n*5-1 arrays with upper left zero and lower right n*5-1 and each element differing from its horizontal and vertical neighbors by a power of two. 1
 16, 8463, 7796840, 19256175024, 62221755947285, 29140746691543180, 114300945033974982113, 143026744640969922998778, 665211626399246015524893315, 1103575752619261180934292157487, 3455181481764546173131937070949479, 4571072289935266583762051509912780981 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A265178. LINKS R. H. Hardin, Table of n, a(n) for n = 1..13 EXAMPLE Some solutions for n=2: ..0..4..2..4..8....0..4..6..5..7....0..4..5..6..5....0..4..3..5..1 ..2..3..4..5..9....2..3..5..1..9....4..8..9..5..9....2..6..5..7..9 CROSSREFS Cf. A265178. Sequence in context: A280845 A069986 A366361 * A151641 A265240 A221137 Adjacent sequences: A265174 A265175 A265176 * A265178 A265179 A265180 KEYWORD nonn AUTHOR R. H. Hardin, Dec 03 2015 STATUS approved

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Last modified July 18 09:18 EDT 2024. Contains 374378 sequences. (Running on oeis4.)