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A249438 as a simple table

na(n)
17
223
325
435
541
647
749
867
989
1097
11113
12119
13120
14131
15139
16168
17181
18188
19209
20233
21241
22259
23265
24288
25309
26329
27337
28357
29409
30449
31461
32463
33493
34501
35515
36528
37548
38571
39577
40601
41649
42656
43681
44709
45721
46791
47805
48837
49840
50895
51901
52919
53961
54977
55995
561009

[7,23,25,35,41,47,49,67,89,97,113,119,120,131,139,
 168,181,188,209,233,241,259,265,288,309,329,337,
 357,409,449,461,463,493,501,515,528,548,571,577,
 601,649,656,681,709,721,791,805,837,840,895,901,
 919,961,977,995,1009]