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A302014 Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally or antidiagonally adjacent elements, with upper left element zero. 1
64, 8192, 772272, 74917424, 7320574992, 714887543376, 69786476414080, 6812969999327424, 665123348184876224, 64933307877775254592, 6339175601773524948352, 618868043706883764304384 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A302010.

LINKS

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

R. H. Hardin, Empirical recurrence of order 78

FORMULA

Empirical recurrence of order 78 (see link above)

EXAMPLE

Some solutions for n=5

..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0

..0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0. .0..0..0..0..0

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

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

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

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

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

CROSSREFS

Cf. A302010.

Sequence in context: A303455 A303461 A301442 * A302009 A301783 A213417

Adjacent sequences: A302011 A302012 A302013 * A302015 A302016 A302017

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 30 2018

STATUS

approved

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Last modified December 6 11:44 EST 2022. Contains 358631 sequences. (Running on oeis4.)