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A271209 as a simple table

na(n)
01
13
235
3247
41029
53131
67783
716815
832777
959059
10100011
11161063
12248845
13371307
14537839
15759391
161048593
171419875
181889587
192476119
203200021
214084123
225153655
236436367
247962649
259765651
2611881403
2714348935
2817210397
2920511179
3024300031
3128629183
3233554465

[1,3,35,247,1029,3131,7783,16815,32777,59059,
 100011,161063,248845,371307,537839,759391,1048593,
 1419875,1889587,2476119,3200021,4084123,5153655,
 6436367,7962649,9765651,11881403,14348935,
 17210397,20511179,24300031,28629183,33554465]