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A230791 Number of (n+3)X(3+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
23104, 2096704, 280495504, 29033433664, 2918671561744, 312443804166400, 33574153453830144, 3567430369412891536, 379115499135199358016, 40348107549360113787904, 4293426349711768367637504 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A230796

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

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

CROSSREFS

Sequence in context: A235558 A104077 A199811 * A087425 A031648 A075784

Adjacent sequences:  A230788 A230789 A230790 * A230792 A230793 A230794

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 30 2013

STATUS

approved

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Last modified January 20 01:18 EST 2022. Contains 350467 sequences. (Running on oeis4.)