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A265996 Number of 6Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself. 1
1, 2, 66, 7, 1, 5, 137, 82, 118, 178, 354, 853, 1574, 3143, 6240, 11295, 22586, 46672, 103020, 212861, 423225, 875790, 1853269, 4033811, 8686030, 18595574, 40704019, 89768106, 200052780, 449679282, 1015358749, 2306160010, 5269874673 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Row 6 of A265991.
LINKS
EXAMPLE
Some solutions for n=4
..1..2..2..1....1..3..1..1....1..3..1..1....1..2..2..1....1..3..1..1
..1..1..1..1....1..1..3..2....1..1..3..2....1..1..1..1....1..1..4..2
..1..4..3..2....1..3..4..2....1..3..4..2....1..3..3..2....1..3..3..2
..2..3..4..1....2..3..3..1....2..3..3..1....2..4..3..1....2..4..3..1
..1..1..1..1....1..1..1..1....2..4..1..1....2..3..1..1....2..3..1..1
..1..2..2..1....1..2..2..1....1..1..3..1....1..1..3..1....1..1..3..1
CROSSREFS
Cf. A265991.
Sequence in context: A326253 A003821 A055765 * A309169 A231946 A333677
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 19 2015
STATUS
approved

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Last modified March 28 15:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)