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A222653 Number of nX4 0..3 arrays with no more than floor(nX4/2) elements equal to at least one king-move neighbor, with new values introduced in row major 0..3 order 1
11, 724, 61757, 5024944, 411489189, 33625853402, 2757290901238, 226934394962954, 18748702054088170, 1554468757231979806, 129297779576953689571, 10785833060389951147809, 902060948747063990782774 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A222654
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1..0....0..1..2..0....0..1..0..0....0..1..1..2....0..1..2..0
..1..2..3..2....2..3..3..3....2..3..2..3....3..3..0..3....2..1..0..1
..3..2..2..0....0..2..3..2....2..1..2..0....1..2..0..1....3..1..3..0
CROSSREFS
Sequence in context: A232355 A301732 A028457 * A204974 A204701 A267954
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 27 2013
STATUS
approved

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Last modified June 23 00:47 EDT 2024. Contains 373629 sequences. (Running on oeis4.)