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A248583 as a simple table

na(n)
325
47
555
613
785
819
9115
10145
1131
1237
13205
1443
15235
16265
17295
1861
1967
20355
2173
2279
23415
24445
2597
26505
27103
28535
29109
30565
31127
32655
33685
34139
35745
36151
37157
38163
39835
40865
41895
42181
43955
44193
45985
46199
47211
48223
491135
50229
511165
521195
53241
541255
551285
561315
571345
58271
59277
601405
61283
621465
63307

[25,7,55,13,85,19,115,145,31,37,205,43,235,265,
 295,61,67,355,73,79,415,445,97,505,103,535,109,
 565,127,655,685,139,745,151,157,163,835,865,895,
 181,955,193,985,199,211,223,1135,229,1165,1195,
 241,1255,1285,1315,1345,271,277,1405,283,1465,307]