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A227613 as a simple table

na(n)
12
25
37
411
541
6113
7149
8167
9173
10257
11281
12317
13431
14491
15839
16857
17953
18977
191031
201091
212909
223041
233191
243467
254073
264721
275381
286047
296791
307127
318243
328387
339743
3410709
3511831
3612011
3712119
3813163
3914249
4014633
4117891
4222157
4322397
4423789
4524419
4625469

[2,5,7,11,41,113,149,167,173,257,281,317,431,491,
 839,857,953,977,1031,1091,2909,3041,3191,3467,
 4073,4721,5381,6047,6791,7127,8243,8387,9743,
 10709,11831,12011,12119,13163,14249,14633,17891,
 22157,22397,23789,24419,25469]