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A139925 as a simple table

na(n)
129
253
3101
4173
5269
6389
7653
8677
9701
10797
111013
121109
131277
141301
151613
161637
171733
181901
191949
201973
212141
222213
232237
242357
252549
262837
272861
282909
293221
303389
313461
323533
333701
343797
353821
363917
374013
384133
394157
404229
414397
424421

[29,53,101,173,269,389,653,677,701,797,1013,1109,
 1277,1301,1613,1637,1733,1901,1949,1973,2141,2213,
 2237,2357,2549,2837,2861,2909,3221,3389,3461,3533,
 3701,3797,3821,3917,4013,4133,4157,4229,4397,4421]