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A317510 as a simple table

na(n)
17
215
331
439
555
671
7111
8119
9151
10175
11231
12239
13255
14311
15319
16335
17375
18391
19479
20559
21575
22591
23655
24679
25791
26855
27871
28879
29911
30959
31991
321015
331079
341215
351271
361351
371359
381375
391399
401471
411631
421639
431719
441879
451919
461935
471975
481999
492015
502079
512111
522135
532311
542415
552519
562535
572575
582631

[7,15,31,39,55,71,111,119,151,175,231,239,255,311,
 319,335,375,391,479,559,575,591,655,679,791,855,
 871,879,911,959,991,1015,1079,1215,1271,1351,1359,
 1375,1399,1471,1631,1639,1719,1879,1919,1935,1975,
 1999,2015,2079,2111,2135,2311,2415,2519,2535,2575,
 2631]