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.

0, 42, 0, 228, 156, 0, 3516, 1504, 522, 0, 51978, 46554, 8818, 1604, 0, 760086, 1403180, 539152, 45174, 4866, 0, 10182786, 41783272, 32625992, 5450977, 231794, 14776, 0, 142451394, 1143560054, 1955562184, 655737184, 55298941, 1175574, 45046, 0

Offset

1,2

Comments

Table starts

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

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

.0....522....8818....539152....32625992..1955562184.107352061052

.0...1604...45174...5450977...655737184.78301062222

.0...4866..231794..55298941.13204700207

.0..14776.1175574.557854814

.0..45046.5973996

.0.136248

Links

R. H. Hardin, Table of n, a(n) for n = 1..47

Formula

Empirical for column k:

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

k=2: [order 47]

Example

Some solutions for n=3 k=4
..0..0..1..1..0..1..0....0..0..1..1..0..1..0....0..0..0..1..1..0..1
..1..0..1..1..0..1..1....0..0..0..0..0..0..0....1..1..0..1..0..0..0
..1..0..0..1..1..1..0....1..1..1..0..1..0..1....0..0..1..1..0..1..0
..0..0..1..1..0..1..0....0..1..1..0..1..0..0....0..0..0..0..0..0..0
..0..0..0..1..1..0..1....1..1..0..1..0..0..0....0..0..0..1..1..0..1
..0..1..1..0..1..0..0....1..0..0..0..0..0..1....0..0..0..1..1..0..1

Crossrefs

Sequence in context: A243831 A022074 A335188 * A263288 A216799 A203484

Adjacent sequences: A263300 A263301 A263302 * A263304 A263305 A263306

Keyword

nonn,tabl

Author

R. H. Hardin, Oct 13 2015

Status

approved