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A218285 Hilltop maps: number of n X 5 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or vertical neighbor in a random 0..4 n X 5 array. 1
31, 1019, 32739, 1048307, 33549827, 1073597617, 34355128651, 1099364046509, 35179647135791, 1125748640417277, 36023954390940183, 1152766473401775135, 36888525002033045085, 1180432731369782846491, 37773845205582064670135 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A218288.
LINKS
EXAMPLE
Some solutions for n=3
..1..1..0..0..1....1..1..0..0..1....1..0..1..1..1....1..1..1..1..1
..1..1..0..1..1....1..0..0..1..0....0..1..0..1..1....1..0..1..1..1
..0..0..1..1..0....1..0..0..1..0....0..0..0..0..0....0..1..1..0..0
CROSSREFS
Cf. A218288.
Sequence in context: A158675 A154808 A307588 * A138861 A015257 A199234
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 25 2012
STATUS
approved

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Last modified March 28 04:05 EDT 2024. Contains 371235 sequences. (Running on oeis4.)