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A211817 as a simple table

na(n)
1221
2623
31477
43361
57389
616191
734993
876417
9165745
10365037
11801507
121788695
133988703
149030407
1520455109
1646942737
17107843925
18250411345
19582132123
201364670701
213202526531
227563851273
2317879861115
2442470025643
25100944212731

[221,623,1477,3361,7389,16191,34993,76417,165745,
 365037,801507,1788695,3988703,9030407,20455109,
 46942737,107843925,250411345,582132123,1364670701,
 3202526531,7563851273,17879861115,42470025643,
 100944212731]