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A192949 as a simple table

na(n)
01
11
24
342
4704
516300
6482112
717366776
8737738752
936109329552
102001104000000
11123856655495584
128468525621182464
13633915692700252352
1451562270240172425216
154528439794201950000000
16427082984690083973562368
1743049504748861000404766976

[1,1,4,42,704,16300,482112,17366776,737738752,
 36109329552,2001104000000,123856655495584,
 8468525621182464,633915692700252352,
 51562270240172425216,4528439794201950000000,
 427082984690083973562368,
 43049504748861000404766976]