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 A263303 T(n,k)=Number of (n+3)X(k+3) 0..1 arrays with each row divisible by 13 and column not divisible by 13, read as a binary number with top and left being the most significant bits. 7

%I

%S 0,42,0,228,156,0,3516,1504,522,0,51978,46554,8818,1604,0,760086,

%T 1403180,539152,45174,4866,0,10182786,41783272,32625992,5450977,

%U 231794,14776,0,142451394,1143560054,1955562184,655737184,55298941,1175574,45046,0

%N T(n,k)=Number of (n+3)X(k+3) 0..1 arrays with each row divisible by 13 and column not divisible by 13, read as a binary number with top and left being the most significant bits.

%C Table starts

%C .0.....42.....228......3516.......51978......760086.....10182786...142451394

%C .0....156....1504.....46554.....1403180....41783272...1143560054.33208175412

%C .0....522....8818....539152....32625992..1955562184.107352061052

%C .0...1604...45174...5450977...655737184.78301062222

%C .0...4866..231794..55298941.13204700207

%C .0..14776.1175574.557854814

%C .0..45046.5973996

%C .0.136248

%H R. H. Hardin, <a href="/A263303/b263303.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 47]

%e Some solutions for n=3 k=4

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

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

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

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

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

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

%K nonn,tabl

%O 1,2

%A _R. H. Hardin_, Oct 13 2015

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Last modified January 27 16:41 EST 2022. Contains 350611 sequences. (Running on oeis4.)