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A309844 as a simple table

na(n)
13
25
323
4653
510103
683813
7160403
8234743
9280373
101049603
113420653
126252503
1311319863
1452207853
1592246423
16146422103
17174913853
18221548343
19442071653
20479807123
21577224653
22607597853
23655385603
24937921253
251222865933
261249233683
271387525253
281506177293

[3,5,23,653,10103,83813,160403,234743,280373,
 1049603,3420653,6252503,11319863,52207853,
 92246423,146422103,174913853,221548343,442071653,
 479807123,577224653,607597853,655385603,937921253,
 1222865933,1249233683,1387525253,1506177293]