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A188871 as a simple table

na(n)
144
21936
365656
42368612
584965120
63043939392
7109002398784
83903192037184
9139764515932928
105004636736643072
11179204127483438080
126416872410001742848
13229772891432953663488
148227619010998404489216
15294611405650426832932864

[44,1936,65656,2368612,84965120,3043939392,
 109002398784,3903192037184,139764515932928,
 5004636736643072,179204127483438080,
 6416872410001742848,229772891432953663488,
 8227619010998404489216,294611405650426832932864]