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A040976 as a simple table

na(n)
10
21
33
45
59
611
715
817
921
1027
1129
1235
1339
1441
1545
1651
1757
1859
1965
2069
2171
2277
2381
2487
2595
2699
27101
28105
29107
30111
31125
32129
33135
34137
35147
36149
37155
38161
39165
40171
41177
42179
43189
44191
45195
46197
47209
48221
49225
50227
51231
52237
53239
54249
55255
56261

[0,1,3,5,9,11,15,17,21,27,29,35,39,41,45,51,57,59,
 65,69,71,77,81,87,95,99,101,105,107,111,125,129,
 135,137,147,149,155,161,165,171,177,179,189,191,
 195,197,209,221,225,227,231,237,239,249,255,261]