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A154503 as a simple table

na(n)
11
25
311
415
521
629
745
849
955
1061
1171
1285
13119
14129
15131
16135
17139
18151
19175
20185
21209
22211
23219
24229
25231
26259
27265
28275
29309
30311
31321
32331
33339
34349
35365
36371
37415
38421
39435
40439
41465
42491
43499
44501
45505
46519
47549
48551
49555
50561
51565
52575
53591
54601
55609

[1,5,11,15,21,29,45,49,55,61,71,85,119,129,131,
 135,139,151,175,185,209,211,219,229,231,259,265,
 275,309,311,321,331,339,349,365,371,415,421,435,
 439,465,491,499,501,505,519,549,551,555,561,565,
 575,591,601,609]