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A263464 T(n,k)=Number of (n+1)X(k+1) 0..4 arrays with each row and column divisible by 11, read as a base-5 number with top and left being the most significant digits. 6
2, 3, 3, 8, 17, 8, 23, 173, 173, 23, 67, 2067, 8099, 2067, 67, 200, 24687, 457757, 457757, 24687, 200, 597, 296225, 25806394, 130504565, 25806394, 296225, 597, 1790, 3553436, 1469325216, 36671816671, 36671816671, 1469325216, 3553436, 1790, 5369 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Table starts

...2.......3...........8...............23................67...............200

...3......17.........173.............2067.............24687............296225

...8.....173........8099...........457757..........25806394........1469325216

..23....2067......457757........130504565.......36671816671....10436759312923

..67...24687....25806394......36671816671....51240208193188.72687824624930136

.200..296225..1469325216...10436759312923.72687824624930136

.597.3553436.83724117885.2973220065573027

LINKS

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

FORMULA

Empirical for column k:

k=1: a(n) = 3*a(n-1) +a(n-5) -3*a(n-6)

EXAMPLE

Some solutions for n=3 k=4

..0..0..4..4..1....1..0..3..0..4....1..4..4..1..2....0..4..0..3..2

..0..3..2..3..0....0..1..2..0..1....0..4..2..0..0....0..1..3..1..4

..4..0..4..3..3....1..1..3..4..2....3..3..0..1..0....4..2..2..1..0

..2..2..2..4..3....2..3..0..2..4....3..1..0..2..3....2..4..3..2..2

CROSSREFS

Sequence in context: A108692 A157126 A297703 * A267563 A166994 A059083

Adjacent sequences:  A263461 A263462 A263463 * A263465 A263466 A263467

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Oct 19 2015

STATUS

approved

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Last modified April 16 10:19 EDT 2021. Contains 343036 sequences. (Running on oeis4.)