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A227198 as a simple table

na(n)
19
215
325
433
539
649
757
863
981
1087
1195
12105
13111
14119
15121
16129
17135
18145
19153
20159
21169
22177
23183
24201
25207
26215
27225
28231
29249
30255
31265
32273
33279
34289
35297
36303
37321
38327
39335
40345
41351
42361
43369
44375
45385
46393
47399
48417
49423
50441
51447
52455
53465
54471
55489

[9,15,25,33,39,49,57,63,81,87,95,105,111,119,121,
 129,135,145,153,159,169,177,183,201,207,215,225,
 231,249,255,265,273,279,289,297,303,321,327,335,
 345,351,361,369,375,385,393,399,417,423,441,447,
 455,465,471,489]