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A265984 Number of 4Xn integer arrays with each element equal to the number of horizontal, diagonal and antidiagonal neighbors less than itself. 1
1, 809, 13894, 282056, 40743954, 3698768651, 185874780351, 12575751772562, 1085132072879774, 80030985885837392, 5555437439270864557, 416136624561279441861, 31632055622516039033176, 2327745994261256565541305 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 4 of A265981.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..134

EXAMPLE

Some solutions for n=3

..1..2..0....0..2..0....1..1..2....0..0..0....1..0..0....0..4..0....2..1..0

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

..3..1..3....2..0..2....0..0..0....3..0..3....1..6..1....0..0..2....1..1..3

..1..0..0....1..2..1....0..0..2....1..1..0....0..0..1....1..4..0....0..1..2

CROSSREFS

Cf. A265981.

Sequence in context: A273811 A252028 A031599 * A332848 A160561 A156404

Adjacent sequences:  A265981 A265982 A265983 * A265985 A265986 A265987

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 19 2015

STATUS

approved

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Last modified March 28 14:58 EDT 2020. Contains 333089 sequences. (Running on oeis4.)