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 A263667 Number of (n+1)X(1+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. 1
 3, 12, 57, 283, 1415, 7097, 35513, 177572, 887845, 4438957, 22194651, 110973054, 554865069, 2774325211, 13871626055, 69358131749, 346790660621, 1733953303574, 8669766516865, 43348832566369, 216744162822867, 1083720814100868 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 1 of A263672. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 FORMULA Empirical: a(n) = 5*a(n-1) +67*a(n-10) -335*a(n-11) EXAMPLE Some solutions for n=4 ..3..1....6..2....4..5....1..4....3..1....6..2....4..5....4..5....6..2....4..5 ..6..2....6..2....6..2....3..1....4..5....4..5....0..0....3..1....3..1....1..4 ..1..4....6..2....6..2....3..1....4..5....6..2....4..5....1..4....6..2....6..2 ..1..4....0..0....4..5....6..2....1..4....6..2....0..0....4..5....0..0....1..4 ..0..0....6..2....6..2....0..0....0..0....1..4....1..4....4..5....1..4....4..5 CROSSREFS Cf. A263672. Sequence in context: A106570 A027140 A110309 * A101106 A165310 A133158 Adjacent sequences: A263664 A263665 A263666 * A263668 A263669 A263670 KEYWORD nonn AUTHOR R. H. Hardin, Oct 23 2015 STATUS approved

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Last modified March 31 05:21 EDT 2023. Contains 361634 sequences. (Running on oeis4.)