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A200462 Number of 0..1 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 2 1
2, 3, 5, 8, 13, 20, 29, 43, 63, 91, 130, 184, 262, 370, 519, 724, 1010, 1408, 1955, 2705, 3735, 5157, 7107, 9775, 13418, 18406, 25227, 34529, 47200, 64455, 87969, 119952, 163415, 222427, 302568, 411334, 558808, 758640, 1029312, 1395882, 1891970 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A200469

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=6

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

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

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

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

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

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

CROSSREFS

Sequence in context: A326594 A045842 A324741 * A088795 A156145 A216053

Adjacent sequences:  A200459 A200460 A200461 * A200463 A200464 A200465

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 18 2011

STATUS

approved

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Last modified July 29 12:51 EDT 2021. Contains 346346 sequences. (Running on oeis4.)