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A348396 as a simple table

na(n)
11
22
34
410
518
642
778
8168
9328
10672
111324
122706
135354
1410788
1521518
1643194
1786208
18172792
19345208
20691118
211381616
222764476
235527626
2411058184
2522113454
2644232246
2788459468
28176929482
29353848086
30707718428
311415414600
322830872574
335661703102
3411323491086

[1,2,4,10,18,42,78,168,328,672,1324,2706,5354,
 10788,21518,43194,86208,172792,345208,691118,
 1381616,2764476,5527626,11058184,22113454,
 44232246,88459468,176929482,353848086,707718428,
 1415414600,2830872574,5661703102,11323491086]