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A231199 T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order 9
9, 67, 67, 538, 1413, 538, 4264, 31665, 31665, 4264, 33868, 704428, 2001156, 704428, 33868, 268936, 15698874, 125862699, 125862699, 15698874, 268936, 2135636, 349736292, 7925306181, 22370911245, 7925306181, 349736292, 2135636, 16959144 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

.......9.........67............538...............4264.................33868

......67.......1413..........31665.............704428..............15698874

.....538......31665........2001156..........125862699............7925306181

....4264.....704428......125862699........22370911245.........3979620300917

...33868...15698874.....7925306181......3979620300917......2000159147569783

..268936..349736292...498915418541....707803712206189...1005095606724544160

.2135636.7791727354.31409217221246.125892415174551558.505085343218758535024

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..97

FORMULA

Empirical for column k:

k=1: a(n) = 8*a(n-1) -4*a(n-3) +4*a(n-4) -12*a(n-5) -16*a(n-6)

k=2: [order 18]

k=3: [order 62]

EXAMPLE

Some solutions for n=1 k=4

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

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

CROSSREFS

Sequence in context: A321945 A232018 A106132 * A255877 A197277 A238317

Adjacent sequences:  A231196 A231197 A231198 * A231200 A231201 A231202

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Nov 05 2013

STATUS

approved

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Last modified October 17 22:27 EDT 2019. Contains 328134 sequences. (Running on oeis4.)