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A127116 as a simple table

na(n)
01
11
22
36
426
5143
6880
76820
861270
9612700
106740700
1183088500
121211283600
1317058212600
14270017301300
154560302022000
1682065335385000
171648341372414000
1834076827548280000
19725735500635080000
2017178403115182870000

[1,1,2,6,26,143,880,6820,61270,612700,6740700,
 83088500,1211283600,17058212600,270017301300,
 4560302022000,82065335385000,1648341372414000,
 34076827548280000,725735500635080000,
 17178403115182870000]