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A198654 T(n,k)=Number of nXk 0..6 arrays with values 0..6 introduced in row major order and each element equal to at least one horizontal or vertical neighbor 7
0, 1, 1, 1, 3, 1, 2, 14, 14, 2, 3, 76, 185, 76, 3, 6, 488, 3904, 3904, 488, 6, 11, 3521, 98467, 344008, 98467, 3521, 11, 23, 28030, 3050721, 39898934, 39898934, 3050721, 28030, 23, 47, 242849, 108395401, 5870175231, 21787578805, 5870175231, 108395401 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

Table starts

...0.......1..........1............2..............3..............6...........11

...1.......3.........14...........76............488...........3521........28030

...1......14........185.........3904..........98467........3050721....108395401

...2......76.......3904.......344008.......39898934.....5870175231.996290832880

...3.....488......98467.....39898934....21787578805.15022218265442

...6....3521....3050721...5870175231.15022218265442

..11...28030..108395401.996290832880

..23..242849.4339928301

..47.2264711

.103

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..59

EXAMPLE

Some solutions with all values 0 to 6 for n=4 k=4

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

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

..4..4..3..5....3..4..5..6....4..4..5..5....4..5..6..6....4..5..5..6

..6..6..6..5....3..4..5..6....4..6..6..5....4..5..6..6....4..5..5..6

CROSSREFS

Sequence in context: A171059 A198708 A198627 * A198661 A163485 A276011

Adjacent sequences:  A198651 A198652 A198653 * A198655 A198656 A198657

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Oct 28 2011

STATUS

approved

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Last modified September 30 05:03 EDT 2020. Contains 337435 sequences. (Running on oeis4.)