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 A284221 Number of n X 7 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. 1
 33, 1746, 163708, 17538010, 1970768869, 227677212684, 26772321109067, 3187484402643589, 383012404461341362, 46352294274050867321, 5641487492728040767503, 689803988820235909398592 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A284222. LINKS R. H. Hardin, Table of n, a(n) for n = 1..97 EXAMPLE Some solutions for n=3 ..0..1..0..1..1..0..1. .0..1..0..1..1..1..0. .0..1..1..1..0..1..0 ..0..0..1..1..1..1..0. .1..0..0..0..0..1..1. .0..0..1..0..1..1..0 ..0..0..0..1..0..0..1. .0..1..1..0..1..1..1. .1..1..1..0..0..0..0 CROSSREFS Cf. A284222. Sequence in context: A284198 A284164 A330478 * A264170 A180920 A120288 Adjacent sequences: A284218 A284219 A284220 * A284222 A284223 A284224 KEYWORD nonn AUTHOR R. H. Hardin, Mar 23 2017 STATUS approved

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Last modified April 22 01:34 EDT 2024. Contains 371887 sequences. (Running on oeis4.)