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 A222389 Sum of neighbor maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal and antidiagonal neighbors in a random 0..2 4Xn array 0
 16, 232, 3968, 63488, 1048576, 16776896, 268369920, 4294961152, 68702608704, 1099511627776, 17592160878592, 281474976700416, 4503599627370496 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A222386 LINKS Table of n, a(n) for n=1..13. EXAMPLE Some solutions for n=3 ..0..1..0....1..0..1....1..1..1....1..1..0....1..0..1....1..0..0....0..1..0 ..0..1..0....0..0..0....1..0..1....1..0..1....1..0..0....0..1..1....0..0..1 ..0..0..0....1..1..0....0..1..0....1..0..1....0..0..1....0..1..0....1..1..0 ..0..0..0....0..1..1....1..0..1....1..1..1....1..1..0....1..0..1....1..1..1 CROSSREFS Sequence in context: A274467 A119463 A292341 * A222938 A265469 A111096 Adjacent sequences: A222386 A222387 A222388 * A222390 A222391 A222392 KEYWORD nonn AUTHOR R. H. Hardin Feb 18 2013 STATUS approved

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Last modified June 4 03:55 EDT 2023. Contains 363118 sequences. (Running on oeis4.)