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A265995 Number of 5Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself. 1
1, 1, 30, 7, 1, 26, 59, 45, 64, 186, 295, 506, 885, 1725, 3265, 5893, 10108, 19684, 36250, 64589, 121581, 227175, 416368, 772126, 1440512, 2674555, 4977901, 9315535, 17396488, 32509051, 61052607, 114584666, 215397646, 406200423, 766485477 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Row 5 of A265991.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=4

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

..1..1..4..2....1..1..1..1....1..1..1..1....1..1..4..2....1..1..3..2

..1..3..3..1....1..4..3..1....1..3..3..1....1..3..3..1....1..3..4..1

..2..4..1..1....2..3..1..1....2..4..1..1....1..1..1..1....1..1..1..1

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

CROSSREFS

Cf. A265991.

Sequence in context: A036390 A040879 A040877 * A040876 A277982 A287921

Adjacent sequences:  A265992 A265993 A265994 * A265996 A265997 A265998

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 19 2015

STATUS

approved

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Last modified September 15 22:10 EDT 2019. Contains 327088 sequences. (Running on oeis4.)