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A135747 as a simple table

na(n)
01
10
22
39
488
5985
614976
7278929
86208000
9163268865
104979147680
11173500986241
126838921208736
13302161792811905
1414840867887070512
15804732692174218305
1647888731015720316416
173110871265807567331329
18219546952410733092279360

[1,0,2,9,88,985,14976,278929,6208000,163268865,
 4979147680,173500986241,6838921208736,
 302161792811905,14840867887070512,
 804732692174218305,47888731015720316416,
 3110871265807567331329,219546952410733092279360]