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A218204
Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..2 nX6 array
1
49, 3697, 243953, 15491481, 986715373, 62898202889, 4010296932181, 255691410570153, 16302319940388693, 1039399046535129357, 66269738827040491989, 4225209395073151758765, 269389846510288006570825
OFFSET
1,1
COMMENTS
Column 6 of A218206
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1..0..1..0....0..1..0..1..1..1....0..0..0..0..0..1....0..0..1..0..0..0
..0..1..0..1..0..1....1..1..0..1..1..0....0..1..1..1..1..1....1..0..0..1..0..0
..1..0..1..1..1..0....0..0..0..0..1..1....1..0..1..0..0..0....1..0..0..0..1..1
CROSSREFS
Sequence in context: A248167 A218590 A372811 * A218231 A219061 A218317
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 23 2012
STATUS
approved