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 A222447 Sum of neighbor maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to the sum mod 4 of their horizontal, vertical and antidiagonal neighbors in a random 0..3 nX4 array 1
 16, 210, 4056, 65536, 1048576, 16750154, 268430848, 4294967008, 68716055088, 1099511627776, 17592186044416, 281474975268864, 4503599621232000, 72057594037927936, 1152921504606846976, 18446744065442448416 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A222448 LINKS R. H. Hardin, Table of n, a(n) for n = 1..18 EXAMPLE Some solutions for n=3 ..1..1..0..0....1..1..1..0....0..0..1..0....1..0..1..1....0..0..1..1 ..1..0..0..0....0..1..1..1....1..1..1..1....1..0..1..1....1..0..1..0 ..0..1..1..1....1..0..0..1....0..0..1..1....1..0..1..1....1..1..1..1 CROSSREFS Sequence in context: A283126 A295712 A319236 * A059385 A009440 A284226 Adjacent sequences:  A222444 A222445 A222446 * A222448 A222449 A222450 KEYWORD nonn AUTHOR R. H. Hardin Feb 20 2013 STATUS approved

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Last modified January 24 16:34 EST 2020. Contains 331207 sequences. (Running on oeis4.)