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A263670 Number of (n+1) X (4+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

%I #6 Jun 18 2022 16:01:18

%S 283,277563,378616581,569092550791,869561054857737,

%T 1328330487628293444,2029629988753215791072,3101270248336145585126590,

%U 4738739978468879079388330924,7240793473476893499848176949865

%N Number of (n+1) X (4+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.

%C Column 4 of A263672.

%H R. H. Hardin, <a href="/A263670/b263670.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..3..1..1..4....1..4..0..0..0....6..6..4..3..6....0..3..1..0..0

%e ..0..1..4..4..5....4..5..0..0..0....2..2..5..1..2....0..1..4..0..0

%Y Cf. A263672.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 23 2015

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)