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A155128 as a simple table

na(n)
13
27
313
431
589
6113
7131
8449
9577
10683
11743
12839
13887
141039
151237
161637
171831
182039
192213
202221
212557
222843
232939
243391
253947
264111
274139
284889
295281
305987
316803
326841
337883
348513
3510667
3610739
3713381
3813487
3914177
4014563
4114639
4215319
4315443
4416273

[3,7,13,31,89,113,131,449,577,683,743,839,887,
 1039,1237,1637,1831,2039,2213,2221,2557,2843,2939,
 3391,3947,4111,4139,4889,5281,5987,6803,6841,7883,
 8513,10667,10739,13381,13487,14177,14563,14639,
 15319,15443,16273]