A263669 Number of (n+1)X(3+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.

57, 8839, 1754966, 378616581, 82911301197, 18152851159044, 3975352956264593, 870600994321238466, 190661571787018620881, 41754877343568316205841, 9144318064083473783629151, 2002605652522800243822208723

Offset

1,1

Comments

Column 3 of A263672.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=2
..3..2..5..4....2..0..4..1....6..6..1..6....0..0..4..5....5..0..4..6
..2..0..5..5....3..3..1..5....3..0..2..2....1..3..0..5....5..0..3..2
..4..1..6..0....2..1..6..4....4..3..3..0....4..1..2..6....6..0..3..0

Crossrefs

Cf. A263672.

Sequence in context: A221445 A218353 A127455 * A286442 A219077 A091749

Adjacent sequences: A263666 A263667 A263668 * A263670 A263671 A263672

Keyword

nonn

Author

R. H. Hardin, Oct 23 2015

Status

approved