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A339830 as a simple table

na(n)
01
12
22
34
410
526
675
7234
8768
92647
109466
1134818
12131149
13503640
141965552
157777081
1631138051
17125961762
18514189976
192115922969
208769932062
2136584593158
22153510347137
23647564907923
242744951303121
2511687358605310
2649965976656637
27214423520420723
28923399052307921

[1,2,2,4,10,26,75,234,768,2647,9466,34818,131149,
 503640,1965552,7777081,31138051,125961762,
 514189976,2115922969,8769932062,36584593158,
 153510347137,647564907923,2744951303121,
 11687358605310,49965976656637,214423520420723,
 923399052307921]