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A142036 as a simple table

na(n)
15
237
3101
4197
5229
6293
7389
8421
9613
10677
11709
12773
13997
141061
151093
161381
171637
181669
191733
201861
212053
222213
232309
242341
252437
262693
272789
282917
293109
303301
313461
323557
333877
344133
354229
364261
374357
384421
394517
404549
414933
425189
435381
445413
455477
465573

[5,37,101,197,229,293,389,421,613,677,709,773,997,
 1061,1093,1381,1637,1669,1733,1861,2053,2213,2309,
 2341,2437,2693,2789,2917,3109,3301,3461,3557,3877,
 4133,4229,4261,4357,4421,4517,4549,4933,5189,5381,
 5413,5477,5573]