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A263288 T(n,k)=Number of (n+3)X(k+3) 0..1 arrays with each row divisible by 11 and column not divisible by 11, read as a binary number with top and left being the most significant bits. 7

%I #4 Oct 13 2015 12:22:38

%S 0,42,0,504,156,0,6960,3904,482,0,113028,112628,24160,1512,0,1428036,

%T 3593982,1390988,148510,4610,0,21015946,93136678,86422940,17053263,

%U 913084,14140,0,282937866,2762187801,4398542684,2075294247,209176183

%N T(n,k)=Number of (n+3)X(k+3) 0..1 arrays with each row divisible by 11 and column not divisible by 11, read as a binary number with top and left being the most significant bits.

%C Table starts

%C .0.....42......504.......6960......113028......1428036.....21015946...282937866

%C .0....156.....3904.....112628.....3593982.....93136678...2762187801.77552688910

%C .0....482....24160....1390988....86422940...4398542684.258671639594

%C .0...1512...148510...17053263..2075294247.207491589620

%C .0...4610...913084..209176183.50010434372

%C .0..14140..5601776.2572716056

%C .0..42420.33964920

%C .0.129444

%H R. H. Hardin, <a href="/A263288/b263288.txt">Table of n, a(n) for n = 1..47</a>

%F Empirical for column k:

%F k=1: a(n) = a(n-1)

%F k=2: [order 29]

%e Some solutions for n=3 k=4

%e ..1..1..0..1..1..1..0....0..1..1..0..1..1..1....1..1..1..1..0..0..1

%e ..0..0..0..1..0..1..1....0..0..1..0..1..1..0....0..0..0..1..0..1..1

%e ..0..1..1..0..1..1..1....1..1..1..1..0..0..1....0..1..0..0..0..0..1

%e ..0..1..0..0..0..0..1....0..1..0..0..0..0..1....0..1..0..0..0..0..1

%e ..0..0..0..1..0..1..1....0..1..0..0..0..0..1....0..1..1..0..1..1..1

%e ..0..1..1..0..1..1..1....0..0..1..0..1..1..0....0..0..1..0..1..1..0

%K nonn,tabl

%O 1,2

%A _R. H. Hardin_, Oct 13 2015

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Last modified April 16 01:01 EDT 2024. Contains 371696 sequences. (Running on oeis4.)