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A088618 as a simple table

na(n)
11
25
313
43
515
69
717
87
923
1019
1125
1235
1321
1439
1537
1611
1733
1845
1927
2047
2131
2251
2341
2455
2529
2643
2761
2859
2957
3053
3149
3263
3365
3475
3567
3671
3769
3879
3977
4081
4173
4285
4391
4495
4583
4697
47105
4887
49101
5099
51115
52107
5393
54123
55111
56117
57113
58109
59119
60103
61121
62125
63129
64135
65133
66137

[1,5,13,3,15,9,17,7,23,19,25,35,21,39,37,11,33,45,
 27,47,31,51,41,55,29,43,61,59,57,53,49,63,65,75,
 67,71,69,79,77,81,73,85,91,95,83,97,105,87,101,99,
 115,107,93,123,111,117,113,109,119,103,121,125,
 129,135,133,137]