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A218814 Hilltop maps: number of 5Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal or antidiagonal neighbor in a random 0..3 5Xn array 1
1, 895, 30719, 1015887, 32496361, 1039681033, 33267198605, 1064504791361, 34063123433881, 1089988059800483, 34878608200880007, 1116083095298367751, 35713623091879803585, 1142802788086214384757, 36568628416225846226213 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A218810

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..73

EXAMPLE

Some solutions for n=3

..0..1..1....0..0..1....0..0..1....1..1..0....1..0..1....0..0..1....0..0..0

..0..1..0....1..1..0....1..0..0....1..0..0....0..1..1....1..1..1....0..1..1

..1..0..0....1..1..1....1..0..1....0..1..0....1..1..0....1..1..1....1..1..1

..1..1..1....0..1..1....0..0..1....1..0..1....1..1..1....1..0..1....1..0..0

..1..1..0....0..0..0....0..1..1....1..0..1....1..1..0....0..0..1....1..1..1

CROSSREFS

Sequence in context: A063167 A210007 A251315 * A264329 A287944 A323964

Adjacent sequences:  A218811 A218812 A218813 * A218815 A218816 A218817

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 06 2012

STATUS

approved

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Last modified July 20 05:43 EDT 2019. Contains 325168 sequences. (Running on oeis4.)