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A108056 as a simple table

na(n)
11
27
313
449
591
6169
7343
8637
91183
102197
112401
124459
138281
1415379
1516807
1628561
1731213
1857967
19107653
20117649
21199927
22218491
23371293
24405769
25753571
26823543
271399489
281529437
292599051
302840383
314826809
325274997
335764801
349796423
3510706059
3618193357
3719882681

[1,7,13,49,91,169,343,637,1183,2197,2401,4459,
 8281,15379,16807,28561,31213,57967,107653,117649,
 199927,218491,371293,405769,753571,823543,1399489,
 1529437,2599051,2840383,4826809,5274997,5764801,
 9796423,10706059,18193357,19882681]