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 A284334 T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. 13
 1, 2, 2, 3, 4, 4, 6, 13, 13, 8, 10, 34, 49, 42, 16, 19, 118, 373, 415, 134, 32, 33, 419, 2259, 5130, 2243, 467, 64, 62, 1481, 18114, 68458, 70039, 19385, 1689, 128, 112, 5394, 120058, 966889, 1792007, 1000935, 122495, 6210, 256, 212, 19848, 959041, 13941789 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts ...1.....2.......3..........6............10..............19.................33 ...2.....4......13.........34...........118.............419...............1481 ...4....13......49........373..........2259...........18114.............120058 ...8....42.....415.......5130.........68458..........966889...........13941789 ..16...134....2243......70039.......1792007........53435287.........1495300322 ..32...467...19385....1000935......53977741......3063494246.......177476886878 ..64..1689..122495...14581112....1544903012....179138039472.....20513380740103 .128..6210.1021999..215806808...46769835006..10629901713799...2467754689139967 .256.23178.7013557.3229703988.1390664014686.637390912071364.294625135884008616 LINKS R. H. Hardin, Table of n, a(n) for n = 1..143 EXAMPLE Some solutions for n=4, k=4 ..0..0..0..0. .0..1..0..1. .0..0..1..1. .0..1..1..0. .0..0..1..0 ..1..0..1..0. .1..0..1..1. .0..1..1..0. .1..0..0..1. .0..1..0..1 ..1..0..0..0. .0..1..0..1. .1..1..1..0. .1..1..0..0. .1..0..1..1 ..1..1..1..1. .0..0..1..0. .0..0..1..1. .0..1..1..0. .0..0..1..1 CROSSREFS Column 1 is A000079(n-1). Column 2 is A284159. Row 1 is A274160(n+1). Sequence in context: A342520 A225482 A004056 * A198317 A036822 A056099 Adjacent sequences: A284331 A284332 A284333 * A284335 A284336 A284337 KEYWORD nonn,tabl AUTHOR R. H. Hardin, Mar 25 2017 STATUS approved

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Last modified March 20 15:35 EDT 2023. Contains 361384 sequences. (Running on oeis4.)