[go: up one dir, main page]

login
Search: a263156 -id:a263156
     Sort: relevance | references | number | modified | created      Format: long | short | data
Number of (n+3)X(1+3) 0..1 arrays with each row and column not divisible by 9, read as a binary number with top and left being the most significant bits.
+10
1
23966, 323572, 4345200, 63755349, 913603171, 12918908831, 180717447506, 2526833145412, 35334275421824, 495175192858165, 6936152367154135, 97125217002643101, 1359727874296720126, 19035465628546193860
OFFSET
1,1
COMMENTS
Column 1 of A263156.
LINKS
EXAMPLE
Some solutions for n=1
..1..0..0..0....0..1..0..0....0..1..0..0....0..1..0..0....1..0..0..0
..0..1..0..1....1..0..1..0....0..1..0..0....1..1..1..0....1..1..0..1
..1..1..0..0....1..1..1..1....1..0..1..0....0..1..1..0....1..1..1..0
..1..1..1..0....0..1..1..1....1..1..1..1....0..1..1..1....0..0..0..1
CROSSREFS
Cf. A263156.
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 11 2015
STATUS
approved
Number of (n+3)X(2+3) 0..1 arrays with each row and column not divisible by 9, read as a binary number with top and left being the most significant bits.
+10
1
323572, 8931088, 245494656, 7221845601, 207234582577, 5870470309217, 164305252236788, 4597718152103888, 128663068539081984, 3605834760370442889, 101010828418284459649, 2828873918666109937857, 79207730255146359876596
OFFSET
1,1
COMMENTS
Column 2 of A263156.
LINKS
EXAMPLE
Some solutions for n=1
..1..0..1..1..0....0..1..1..1..1....1..1..0..0..0....1..0..0..0..1
..0..0..1..0..1....0..1..0..1..1....0..1..0..1..1....0..1..0..1..0
..1..0..0..0..1....0..1..1..1..0....1..0..0..0..0....0..0..1..0..1
..1..1..1..0..0....1..0..1..0..1....1..1..1..1..1....0..1..1..0..1
CROSSREFS
Cf. A263156.
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 11 2015
STATUS
approved
Number of (n+3)X(3+3) 0..1 arrays with each row and column not divisible by 9, read as a binary number with top and left being the most significant bits.
+10
0
4345200, 245494656, 13895461376, 818220821498, 46999429421814, 2667613654543478, 149379294213832624, 8365622828874611456
OFFSET
1,1
COMMENTS
Column 3 of A263156.
EXAMPLE
Some solutions for n=1
..0..1..1..0..0..0....0..0..1..1..0..1....0..1..1..1..1..1....0..1..1..0..0..1
..0..1..1..0..0..1....0..1..0..0..0..1....0..1..0..0..0..1....0..1..0..0..0..1
..0..0..1..1..0..0....0..0..0..1..1..0....0..0..1..1..1..0....0..1..0..0..0..1
..1..0..1..1..1..1....1..0..0..1..1..1....1..1..1..1..0..1....1..1..0..1..1..1
CROSSREFS
Cf. A263156.
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 11 2015
STATUS
approved

Search completed in 0.005 seconds