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A003266 as a simple table

na(n)
01
11
21
32
46
530
6240
73120
865520
92227680
10122522400
1110904493600
121570247078400
13365867569267200
14137932073613734400
1584138564904377984000
1683044763560621070208000
17132622487406311849122176000
18342696507457909818131702784000

[1,1,1,2,6,30,240,3120,65520,2227680,122522400,
 10904493600,1570247078400,365867569267200,
 137932073613734400,84138564904377984000,
 83044763560621070208000,
 132622487406311849122176000,
 342696507457909818131702784000]