login

A173912 as a simple table

na(n)
13
25
37
413
517
619
723
831
933
1051
1161
1271
1389
14101
15107
16127
17139
18191
19271
20273
21305
22331
23347
24351
25367
26397
27405
28407
29427
30435
31457
32467
33489
34521
35525
36539
37543
38549
39559
40565
41577
42583
43589
44597
45601
46607
47611
48613
49617
50619
51641
52643
53661
54693
55717
56729
57787
58793
59809
60817
61819
62837
63871
64879
65891
66899
67983
68987
69991

[3,5,7,13,17,19,23,31,33,51,61,71,89,101,107,127,
 139,191,271,273,305,331,347,351,367,397,405,407,
 427,435,457,467,489,521,525,539,543,549,559,565,
 577,583,589,597,601,607,611,613,617,619,641,643,
 661,693,717,729,787,793,809,817,819,837,871,879,
 891,899,983,987,991]