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A184827 as a simple table

na(n)
10
20
35
45
511
69
717
819
929
1029
1131
1237
1347
1439
1559
1665
1765
1871
1971
2071
2181
2287
2393
2499
25107
26103
27125
28125
29131
30129
31131
32143
33155
34157
35167
36153
37185
38191
39189
40197
41199
42203
43215
44215
45227
46233
47233
48223
49257
50255
51261
52263

[0,0,5,5,11,9,17,19,29,29,31,37,47,39,59,65,65,71,
 71,71,81,87,93,99,107,103,125,125,131,129,131,143,
 155,157,167,153,185,191,189,197,199,203,215,215,
 227,233,233,223,257,255,261,263]