|
| |
|
|
A297505
|
|
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 2 neighboring 1s.
|
|
1
|
|
|
|
37, 2097, 34757, 1247716, 35049871, 978288822, 28914051279, 823340493402, 23748019543354, 684563956136832, 19685697905900807, 567106229569054219, 16326031115140984900, 470031756510991757935, 13533758185630160222532
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,1
|
|
|
COMMENTS
|
|
|
|
LINKS
|
|
|
|
EXAMPLE
|
Some solutions for n=3
..1..0..0..0..1..1..0. .0..0..1..1..1..1..0. .0..0..1..1..0..1..1
..0..1..1..0..0..0..1. .1..1..0..0..0..0..0. .0..0..0..0..0..1..1
..0..0..0..0..0..1..0. .0..1..0..1..1..0..0. .0..0..0..0..0..0..0
|
|
|
CROSSREFS
|
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
STATUS
|
approved
|
| |
|
|
