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A182446 as a simple table

na(n)
01
12
2514
339368
410601986
52003906252
6588906874144
7159219918144128
851207103076632066
916425660314368351892
105697191745563573732764
112010823973962863400708688
12739753103704422167184400096
13277511604090132008416695054272
14106814999715696983804826836579584

[1,2,514,39368,10601986,2003906252,588906874144,
 159219918144128,51207103076632066,
 16425660314368351892,5697191745563573732764,
 2010823973962863400708688,
 739753103704422167184400096,
 277511604090132008416695054272,
 106814999715696983804826836579584]