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A268005 Number of 2Xn 0..n arrays with every repeated value in every row and column equal to the previous repeated value, and new values introduced in row-major sequential order. 2
2, 14, 187, 3552, 93311, 3201247, 137687080, 7202412402, 447845857496, 32517659156620, 2718146870737975, 258534983638151774, 27707842486101101991, 3318064979477703022623, 440767981147466114439164 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 2 of A268003.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..1..2....0..1..2..1..2....0..1..2..0..2....0..1..2..3..1
..1..3..0..4..4....1..1..0..3..1....3..3..0..3..4....4..0..4..0..0
CROSSREFS
Cf. A268003.
Sequence in context: A237852 A219874 A074655 * A158102 A067902 A132611
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 24 2016
STATUS
approved

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Last modified December 8 17:58 EST 2023. Contains 367680 sequences. (Running on oeis4.)