
1, 1, 1, 3, 3, 5, 15, 315, 630, 567, 1134, 4725, 9450, 26325, 28665, 116093250, 116093250, 7894341000, 8881133625, 14849255421000, 4242644406000, 3118343638410000, 3811308891390000, 34301780022510000, 205810680135060000, 1470076286679000000, 2702564486622000000
(list;
graph;
refs;
listen;
history;
text;
internal format)

