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A176858 as a simple table

na(n)
01
14
26
325
494
5419
61884
78866
842524
9208361
101036268
115222754
1226607772
13136824505
14709211688
153701711655
1619438809610
17102629612589
18544446273752
192900686264810
2015514063940500
2183266691903815
22448333365133264

[1,4,6,25,94,419,1884,8866,42524,208361,1036268,
 5222754,26607772,136824505,709211688,3701711655,
 19438809610,102629612589,544446273752,
 2900686264810,15514063940500,83266691903815,
 448333365133264]