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A230794 Number of (n+3)X(6+3) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero 1
84052224, 128788339184, 312443804166400, 556151445605511168, 991594953505024518400, 1865179580060888014989264, 3461877651419949227125424704, 6376401388218250263517814866688 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A230796

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..47

EXAMPLE

Some solutions for n=1

..0..0..0..0..0..3..3..3..1....0..2..0..1..0..3..1..3..1

..3..1..1..1..2..0..0..2..2....1..1..3..1..2..0..0..2..2

..0..2..2..1..0..1..1..3..1....0..2..2..0..0..3..3..1..1

..1..1..1..3..0..0..2..0..2....1..1..1..3..2..2..2..2..0

CROSSREFS

Sequence in context: A118079 A186091 A295465 * A186922 A185806 A115534

Adjacent sequences:  A230791 A230792 A230793 * A230795 A230796 A230797

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 30 2013

STATUS

approved

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Last modified January 20 10:33 EST 2022. Contains 350472 sequences. (Running on oeis4.)