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A217543 Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 n X 4 array. 1
17, 17, 289, 1401, 10213, 64473, 431241, 2824177, 18626981, 122511585, 806649933, 5309370017, 34951088945, 230067107597, 1514453687653, 9969070507989, 65622772473105, 431970507432905, 2843503407066145, 18717737327894065 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A217547.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..33

EXAMPLE

Some solutions for n=3:

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

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

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

CROSSREFS

Cf. A217547.

Sequence in context: A146391 A145945 A165838 * A296757 A297287 A018822

Adjacent sequences:  A217540 A217541 A217542 * A217544 A217545 A217546

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 06 2012

STATUS

approved

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Last modified May 16 06:54 EDT 2021. Contains 343939 sequences. (Running on oeis4.)