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A116999 as a simple table

na(n)
111
215
317
423
527
647
7231
8457
91249
101529
112343
124693
135939
145997
158367
1619855
1721295
1836583

[11,15,17,23,27,47,231,457,1249,1529,2343,4693,
 5939,5997,8367,19855,21295,36583]