|
1, 3, 15, 61, 250, 966, 3691, 13708, 50198, 180756, 642883, 2259194, 7859454, 27086808, 92579267, 314011481, 1057679231, 3539727315, 11776328715, 38963355007, 128255099092, 420155031109, 1370225125574, 4449779889260, 14393128980829, 46380744221539
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|