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A232152 Number of 4Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally 1
1, 887, 67311, 3409361, 191897041, 11346946019, 663248443295, 38578051319991, 2246283227163449, 130862879072024301, 7622964864814416035, 444025298198899334745, 25864000876540165953917, 1506559074693480517741153 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 4 of A232149

LINKS

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

R. H. Hardin, Empirical recurrence of order 58

FORMULA

Empirical recurrence of order 58 (see link above)

EXAMPLE

Some solutions for n=3

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

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

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

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

CROSSREFS

Sequence in context: A031938 A165504 A136966 * A202446 A043523 A066270

Adjacent sequences:  A232149 A232150 A232151 * A232153 A232154 A232155

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 19 2013

STATUS

approved

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Last modified October 18 04:01 EDT 2018. Contains 316304 sequences. (Running on oeis4.)