|
1, 2, 5, 14, 44, 152, 564, 2200, 8922, 37460, 162526, 726772, 3337360, 15676000, 75057142, 365302740, 1803191210, 9011209620, 45528658362, 232340523516, 1196799936312, 6219980254704, 32605664415000, 172351828064208
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|