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 A207785 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically 10
 2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 13, 81, 98, 81, 13, 18, 169, 257, 253, 169, 19, 25, 324, 611, 791, 621, 361, 28, 34, 625, 1326, 2173, 2200, 1575, 784, 41, 46, 1156, 2815, 5241, 6766, 6418, 4000, 1681, 60, 62, 2116, 5718, 12567, 17763, 22322, 19041, 10057, 3600, 88, 83 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Table starts ..2....4.....6.....9.....13.....18......25......34.......46.......62........83 ..4...16....36....81....169....324.....625....1156.....2116.....3844......6889 ..6...36....98...257....611...1326....2815....5718....11362....22164.....42507 ..9...81...253...791...2173...5241...12567...28101....61397...131083....272789 .13..169...621..2200...6766..17763...46199..110732...257118...582114...1274558 .19..361..1575..6418..22322..65094..185613..486006..1224264..2997835...7098270 .28..784..4000.19041..75557.246087..786907.2283773..6379507.17308075..45325727 .41.1681.10057.55101.246840.887406.3121285.9855231.29800935.87179997.244806537 LINKS R. H. Hardin, Table of n, a(n) for n = 1..511 EXAMPLE Some solutions for n=4 k=3 ..1..1..0....1..1..1....1..1..1....1..1..0....1..0..0....0..0..1....0..0..1 ..0..0..1....1..1..1....1..1..0....0..0..1....1..0..1....0..0..1....0..1..0 ..0..0..1....0..1..0....1..0..0....0..0..1....1..1..1....1..1..1....1..0..0 ..1..1..0....0..1..0....1..0..1....1..1..1....1..0..1....1..0..0....1..0..1 CROSSREFS Column 1 is A000930(n+3) Column 2 is A207170 Column 3 is A203084(n-2) Row 1 is A171861(n+1) Row 2 is A207025 Row 3 is A202371(n-2) Sequence in context: A207762 A207368 A208013 * A207242 A207500 A208164 Adjacent sequences: A207782 A207783 A207784 * A207786 A207787 A207788 KEYWORD nonn,tabl AUTHOR R. H. Hardin Feb 20 2012 STATUS approved

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Last modified September 8 11:48 EDT 2024. Contains 375753 sequences. (Running on oeis4.)