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A129212号作为一个简单的表

n个a(n)
11
2
21
457
5219
6399
7903
81533
92667
104161
117077
1217157
1318543
1429127
1532547
1650673
1765919
1874109
1996141
20113799
21114681
22134463
23194691
24227829
25304311
26352317
27383907
28389193
29463071
30516621
31672987
32797349
33863517
34898779
35932799
361252461
371353639

[1,3,21,57,219,399,903,1533,2667,4161,7077,17157,18543,29127,32547,50673,65919,74109,96141,113799,114681,134463,194691,227829,304311,352317,383907,389193,463071,516621,672987,797349,863517,898779,932799,1252461,1353639]