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A265170 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no equal horizontal or vertical neighbors and new values introduced sequentially from 0. 5
1, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 6, 21, 1, 0, 1, 19, 447, 186, 1, 0, 1, 70, 11223, 40476, 2113, 1, 0, 1, 264, 305863, 10723968, 5693966, 27856, 1, 0, 1, 1038, 8862785, 3152470670, 19442592272, 1109065142, 422481, 1, 0, 1, 4155, 267827143, 995141926013 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,9

COMMENTS

Table starts

.1.......0............0..............0..............0............0

.1.......1............1..............1..............1............1

.1.......2............6.............19.............70..........264

.1......21..........447..........11223.........305863......8862785

.1.....186........40476.......10723968.....3152470670.995141926013

.1....2113......5693966....19442592272.75718556192262

.1...27856...1109065142.58092310437590

.1..422481.286017249449

.1.7241480

.1

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..60

EXAMPLE

Some solutions for n=4 k=4

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

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

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

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

CROSSREFS

Row 3 is A199128.

Row 4 is A199252.

Sequence in context: A011126 A266854 A326882 * A217653 A331161 A176887

Adjacent sequences: A265167 A265168 A265169 * A265171 A265172 A265173

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Dec 03 2015

STATUS

approved

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Last modified December 1 01:13 EST 2022. Contains 358453 sequences. (Running on oeis4.)