|
| |
|
|
A231949
|
|
Number of (n+1)X(n+1) 0..1 arrays with every element equal to some horizontal, vertical, diagonal or antidiagonal neighbor, with top left element zero
|
|
1
|
|
|
|
4, 142, 14842, 6517534, 11501370840, 80362090509378, 2227569337736429246, 245123750599446294788488, 107075160540284607946778623864, 185664549157140167132223088015356148
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
