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A157739 as a simple table

na(n)
1387199
21552321
33495367
46216337
59715231
613992049
719046791
824879457
931490047
1038878561
1147044999
1255989361
1365711647
1476211857
1587489991
1699546049
17112380031
18125991937
19140381767
20155549521
21171495199
22188218801

[387199,1552321,3495367,6216337,9715231,13992049,
 19046791,24879457,31490047,38878561,47044999,
 55989361,65711647,76211857,87489991,99546049,
 112380031,125991937,140381767,155549521,171495199,
 188218801]