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 A208118 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically 10
 2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 15, 81, 90, 81, 12, 25, 225, 225, 225, 144, 16, 40, 625, 825, 625, 420, 256, 20, 64, 1600, 3025, 3025, 1225, 784, 400, 25, 104, 4096, 9240, 14641, 7315, 2401, 1260, 625, 30, 169, 10816, 28224, 53361, 43681, 17689, 3969, 2025, 900 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ..2...4....6....9....15.....25......40.......64.......104........169........273 ..4..16...36...81...225....625....1600.....4096.....10816......28561......74529 ..6..36...90..225...825...3025....9240....28224.....93912.....312481.....997815 ..9..81..225..625..3025..14641...53361...194481....815409....3418801...13359025 .12.144..420.1225..7315..43681..175560...705600...3503640...17397241...76934095 .16.256..784.2401.17689.130321..577600..2560000..15054400...88529281..443060401 .20.400.1260.3969.34713.303601.1432600..6760000..45648200..308248249.1680152229 .25.625.2025.6561.68121.707281.3553225.17850625.138415225.1073283121.6371392041 LINKS R. H. Hardin, Table of n, a(n) for n = 1..1211 EXAMPLE Some solutions for n=4 k=3 ..1..1..1....0..1..1....0..0..1....0..0..1....1..1..0....1..0..1....1..1..1 ..1..1..1....1..0..1....1..0..1....0..0..1....0..0..1....1..0..1....1..1..1 ..0..1..1....0..1..1....0..0..1....0..0..1....1..1..0....1..0..1....1..1..1 ..0..1..1....1..0..1....0..0..1....0..0..1....0..0..1....0..0..1....1..0..1 CROSSREFS Column 1 is A002620(n+2) Column 2 is A030179(n+2) Column 3 is A207363 Row 1 is A006498(n+2) Row 2 is A189145(n+2) Row 3 is A207600 Sequence in context: A207693 A208108 A207729 * A207908 A208039 A207426 Adjacent sequences: A208115 A208116 A208117 * A208119 A208120 A208121 KEYWORD nonn,tabl AUTHOR R. H. Hardin Feb 23 2012 STATUS approved

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Last modified June 8 09:37 EDT 2023. Contains 363162 sequences. (Running on oeis4.)