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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 (list; table; graph; refs; listen; history; text; internal format)
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: A292624 A192788 A085060 * A233287 A214528 A217763

Adjacent sequences:  A263669 A263670 A263671 * A263673 A263674 A263675

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin, Oct 23 2015

STATUS

approved

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Last modified October 16 11:11 EDT 2019. Contains 328056 sequences. (Running on oeis4.)