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A222856 as a simple table

na(n)
13
26
318
441
5123
6310
7957
82530
97848
1021618
1167131
12188835
13585276
141670602
155161503
1614880389
1745808419
18133004125
19408229851
201191329175
213646802121
2210684589006
2332632896159
2495903053435
25292350907470
26861289976308

[3,6,18,41,123,310,957,2530,7848,21618,67131,
 188835,585276,1670602,5161503,14880389,45808419,
 133004125,408229851,1191329175,3646802121,
 10684589006,32632896159,95903053435,292350907470,
 861289976308]