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A086395 as a simple table

na(n)
13
27
317
441
5239
6577
7665857
89369319
963018038201
10489133282872437279
1119175002942688032928599
12123426017006182806728593424683999798008235734137469123231828679

[3,7,17,41,239,577,665857,9369319,63018038201,
 489133282872437279,19175002942688032928599,
 12342601700618280672859342468399979800823573413746\
 9123231828679]