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A173831 as a simple table

na(n)
213
379
4251
5619
61291
72399
84093
96553
109973
1114639
1220731
1328559
1438393
1550599
1665521
1783497
18104971
19130307
20159979
21194479
22234239
23279823
24331769
25390581
26456959
27531383
28614639
29707279
30809993
31923513
321048573
331185907
341336333

[13,79,251,619,1291,2399,4093,6553,9973,14639,
 20731,28559,38393,50599,65521,83497,104971,130307,
 159979,194479,234239,279823,331769,390581,456959,
 531383,614639,707279,809993,923513,1048573,
 1185907,1336333]