login
A222384
Sum of neighbor maps: number of nX5 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 nX5 array
1
24, 1024, 32768, 1048576, 33546240, 1073741824, 34359738368, 1099510054912, 35184372088832, 1125899906842624, 36028796750528512, 1152921504606846976, 36893488147419103232, 1180591620674461630464, 37778931862957161709568
OFFSET
1,1
COMMENTS
Column 5 of A222386
LINKS
FORMULA
Empirical: a(n) = 32*a(n-1) +256*a(n-3) -8192*a(n-4) -16384*a(n-6) +524288*a(n-7) for n>9
EXAMPLE
Some solutions for n=3
..0..1..1..0..0....1..0..1..0..0....0..0..0..1..1....0..1..0..0..1
..0..0..0..0..0....0..1..1..1..1....1..0..1..0..0....0..0..1..0..0
..0..0..1..1..0....1..0..0..0..1....0..0..1..1..0....1..1..0..0..0
CROSSREFS
Sequence in context: A223147 A272551 A222933 * A309421 A344095 A272690
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 18 2013
STATUS
approved