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A361977 as a simple table

na(n)
13
25
37
413
513
619
723
823
929
1031
1131
1237
1343
1443
1547
1653
1753
1859
1961
2061
2167
2273
2373
2479
2583
2683
2789
2889
2989
3097
31101
32103
33109
34109
35113
36113
37113
38113
39127
40131
41131
42139
43139
44139
45149
46151
47151
48157
49157
50163
51167
52167
53173
54179
55181
56181
57181
58191
59193

[3,5,7,13,13,19,23,23,29,31,31,37,43,43,47,53,53,
 59,61,61,67,73,73,79,83,83,89,89,89,97,101,103,
 109,109,113,113,113,113,127,131,131,139,139,139,
 149,151,151,157,157,163,167,167,173,179,181,181,
 181,191,193]