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A106569 as a simple table

na(n)
00
13
215
384
4465
52577
614280
779131
8438495
92429868
1013464825
1174613729
12413463120
132291156787
1412696173295
1570354336836
16389860204065
172160364030833
1811971400766360
1966338095924299
20367604681920575

[0,3,15,84,465,2577,14280,79131,438495,2429868,
 13464825,74613729,413463120,2291156787,
 12696173295,70354336836,389860204065,
 2160364030833,11971400766360,66338095924299,
 367604681920575]