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A307315 as a simple table

na(n)
12
217
3347
4521
510601
632027
739569
858061
962969
10100469
11109541
12120401
13398129
14426383
15434261
16829883
17896771
18935063
191190261
201216583
211261109
221559963
231697771
242105381
252128649
262505857
272778851
282886563
292920649
303051977
313157703
323636617
334068257
345139257
355480249
365650097
375938931

[2,17,347,521,10601,32027,39569,58061,62969,
 100469,109541,120401,398129,426383,434261,829883,
 896771,935063,1190261,1216583,1261109,1559963,
 1697771,2105381,2128649,2505857,2778851,2886563,
 2920649,3051977,3157703,3636617,4068257,5139257,
 5480249,5650097,5938931]