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 A207908 T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically 11
 2, 4, 4, 6, 16, 6, 9, 36, 36, 9, 15, 81, 102, 81, 13, 25, 225, 289, 261, 169, 18, 40, 625, 1071, 841, 611, 324, 25, 64, 1600, 3969, 4089, 2209, 1278, 625, 34, 104, 4096, 13230, 19881, 13865, 5041, 2625, 1156, 46, 169, 10816, 44100, 80511, 87025, 39831, 11025 (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 ..4...16...36....81....225.....625.....1600......4096......10816.......28561 ..6...36..102...289...1071....3969....13230.....44100.....153090......531441 ..9...81..261...841...4089...19881....80511....326041....1428071.....6255001 .13..169..611..2209..13865...87025...417425...2002225...10896915....59305401 .18..324.1278..5041..39831..314721..1726758...9474084...62431074...411400089 .25..625.2625.11025.110775.1113025..6835345..41977441..336253621..2693506201 .34.1156.5134.22801.289467.3674889.24832818.167806116.1627138986.15777620881 LINKS R. H. Hardin, Table of n, a(n) for n = 1..513 EXAMPLE Some solutions for n=4 k=3 ..0..1..1....1..0..0....1..0..0....0..0..1....0..0..1....0..1..1....0..0..1 ..1..1..0....0..0..1....0..1..1....1..0..0....1..0..1....1..1..0....1..1..1 ..0..1..1....1..1..0....1..0..0....0..1..1....0..1..1....0..0..1....0..0..1 ..1..0..0....0..0..1....0..0..1....1..0..0....0..0..1....1..0..0....1..0..0 CROSSREFS Column 1 is A171861(n+1) Column 2 is A207025 Row 1 is A006498(n+2) Row 2 is A189145(n+2) Row 3 is A207704 Sequence in context: A208108 A207729 A208118 * A208039 A207426 A207741 Adjacent sequences:  A207905 A207906 A207907 * A207909 A207910 A207911 KEYWORD nonn,tabl AUTHOR R. H. Hardin Feb 21 2012 STATUS approved

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Last modified November 26 21:07 EST 2021. Contains 349344 sequences. (Running on oeis4.)