|
| |
|
|
A069342
|
|
Number of 20 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.
|
|
20
|
|
|
|
1, 27304196, 120418887728947, 273114307102338469932, 451242636516479543205804329, 625576823311351623848371148927043, 778880000189830517730349450554806038383, 903099763914081099274411192869395521423076059, 995759593882933848778575773902474323196918603122861
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
|
|
|
CROSSREFS
|
Cf. 2 X n A048739, 3 X n A069325, 4 X n A069326, 5 X n A069327, 6 X n A069328, 7 X n A069329, 8 X n A069330, 9 X n A069331, 10 X n A069332, 11 X n A069333, 12 X n A069334, 13 X n A069335, 14 X n A069336, 15 X n A069337, 16 X n A069338, 17 X n A069339, 18 X n A069340, 19 X n A069341, n X n A069343, n X n symmetric A069344.
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
|
|
|
EXTENSIONS
|
|
|
|
STATUS
|
approved
|
| |
|
|
