|
1, 4, 20, 110, 636, 3790, 23036, 141946, 883360, 5538098, 34917224, 221125102, 1405276324, 8956020294, 57209977908, 366147270370, 2347081505816, 15065301857194, 96808851937152, 622682497349910, 4008412023724124, 25821543284366686, 166438749582676204
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|