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A299073 as a simple table

na(n)
11
23
35
419
521
641
759
8173
9241
10269
11326
12341
13431
14491
154406
166641
1710946
1845386
1954206
2081611
2194706
22362351
23486281
241099766
251197026
261220126
271439756
281597361
291685276
302000246
312405051
326550946
339996731
3415410111
3534120511
3639283856
3741437226
3847108981

[1,3,5,19,21,41,59,173,241,269,326,341,431,491,
 4406,6641,10946,45386,54206,81611,94706,362351,
 486281,1099766,1197026,1220126,1439756,1597361,
 1685276,2000246,2405051,6550946,9996731,15410111,
 34120511,39283856,41437226,47108981]