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A297737 Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s. 1
1, 6, 151, 502, 2719, 11341, 82549, 396787, 2346541, 11876657, 70286741, 374560274, 2145325624, 11643190391, 66070482072, 363830683327, 2050031109245, 11362362156585, 63803460702931, 355097907791024, 1990234603016555 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A297733.

LINKS

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

R. H. Hardin, Empirical recurrence of order 80

FORMULA

Empirical recurrence of order 80 (see link above)

EXAMPLE

Some solutions for n=7

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

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

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

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

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

CROSSREFS

Cf. A297733.

Sequence in context: A232689 A165436 A261066 * A168654 A147796 A003766

Adjacent sequences:  A297734 A297735 A297736 * A297738 A297739 A297740

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 04 2018

STATUS

approved

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Last modified August 9 02:14 EDT 2020. Contains 336310 sequences. (Running on oeis4.)