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 A293089 Number of 3 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1. 1
 0, 1, 53, 486, 4091, 32070, 246852, 1897509, 14578434, 112390406, 867693603, 6716080364, 52061270779, 404329966577, 3144612848086, 24493415901992, 191015933608631, 1491484435347360, 11658153191250672, 91217811828544156 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Row 3 of A293087. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..0..0..0. .0..0..1..0. .0..1..0..0. .0..0..0..0. .0..1..0..0 ..1..0..1..0. .0..1..0..1. .0..1..0..0. .0..1..1..0. .0..1..1..0 ..0..1..1..0. .1..0..0..0. .0..1..1..1. .1..0..1..0. .1..0..1..0 CROSSREFS Cf. A293087. Sequence in context: A261537 A142209 A322043 * A177120 A165555 A201855 Adjacent sequences:  A293086 A293087 A293088 * A293090 A293091 A293092 KEYWORD nonn,changed AUTHOR R. H. Hardin, Sep 30 2017 STATUS approved

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Last modified April 6 11:02 EDT 2020. Contains 333273 sequences. (Running on oeis4.)