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A071971 as a simple table

na(n)
11
27
345
4401
5719
61136
75613
86358
912448
1024739
1128082
1242850
1359604
1478928
1581119
16169213
17214725
18309015
19432821
20496399
21706170
22725188
231163780
242284457
252941839
263857806
274133465
285890433
296190258
306286719
316888119

[1,7,45,401,719,1136,5613,6358,12448,24739,28082,
 42850,59604,78928,81119,169213,214725,309015,
 432821,496399,706170,725188,1163780,2284457,
 2941839,3857806,4133465,5890433,6190258,6286719,
 6888119]