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A265234 Number of 4Xn arrays containing n copies of 0..4-1 with no equal vertical neighbors and new values introduced sequentially from 0. 2
1, 43, 2592, 184740, 14439456, 1196114464, 103142395392, 9160513923648, 832211576040960, 76971887847571968, 7223525356855099392, 686117529041422350336, 65834293657115919826944, 6371837299781950752276480 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 4 of A265232.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..31

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A265232.

Sequence in context: A015258 A130014 A246535 * A015323 A145315 A110704

Adjacent sequences:  A265231 A265232 A265233 * A265235 A265236 A265237

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 06 2015

STATUS

approved

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Last modified June 20 02:57 EDT 2021. Contains 345157 sequences. (Running on oeis4.)