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A263672
T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with each row and column divisible by 11, read as a base-7 number with top and left being the most significant digits.
6
3, 12, 12, 57, 311, 57, 283, 8839, 8839, 283, 1415, 277563, 1754966, 277563, 1415, 7097, 8877675, 378616581, 378616581, 8877675, 7097, 35513, 283980648, 82911301197, 569092550791, 82911301197, 283980648, 35513, 177572, 9086924328
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OFFSET
1,1
COMMENTS
Table starts
....3........12.............57.................283....................1415
...12.......311...........8839..............277563.................8877675
...57......8839........1754966...........378616581.............82911301197
..283....277563......378616581........569092550791.........869561054857737
.1415...8877675....82911301197.....869561054857737.....9300808862372188095
.7097.283980648.18152851159044.1328330487628293444.99449421411244804734529
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..60
FORMULA
Empirical for column k:
k=1: a(n) = 5*a(n-1) +67*a(n-10) -335*a(n-11)
EXAMPLE
Some solutions for n=2 k=4
..0..2..6..1..3....0..6..6..1..6....0..1..0..6..0....4..6..5..2..3
..1..3..5..4..4....4..2..3..5..0....6..2..4..3..3....5..3..4..3..4
..4..2..1..0..1....5..0..4..4..3....2..3..5..4..1....0..4..2..2..1
CROSSREFS
Sequence in context:
A336276
A085060
A340354
*
A233287
A214528
A217763
Adjacent sequences:
A263669
A263670
A263671
*
A263673
A263674
A263675
KEYWORD
nonn
,
tabl
AUTHOR
R. H. Hardin
, Oct 23 2015
STATUS
approved
