|
| |
|
|
A201621
|
|
Number of nX4 0..3 arrays with rows and columns lexicographically nondecreasing and every element equal to at least one horizontal or vertical neighbor
|
|
1
|
|
|
|
10, 211, 3699, 91223, 2111763, 45733593, 891142897, 15644678596, 249289360661, 3639136663173, 49094967861596, 616937242119695, 7271050760251026, 80851029109219123, 852557302953238048, 8562810135696296292
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
