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A063090 as a simple table

na(n)
11
26
334
4212
51488
611736
7103248
81004832
910733760
10124966080
111575797760
1221403457280
13311623441920
144842481190400
1580007869491200
161400671686758400
1725902542427955200
18504597366114508800
1910328835149402112000

[1,6,34,212,1488,11736,103248,1004832,10733760,
 124966080,1575797760,21403457280,311623441920,
 4842481190400,80007869491200,1400671686758400,
 25902542427955200,504597366114508800,
 10328835149402112000]