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A280357 as a simple table

na(n)
153
22927
33733
44139
55347
65351
75953
86761
96763
109791
11113111
12127123
13131129
14137131
15149143
16179173
17191189
18211199
19223211
20223217
21223219
22233231
23239233
24239237
25263257
26277273
27281279
28307301
29331319
30347341
31359353
32359357
33419417
34431423
35431429
36479473

[53,2927,3733,4139,5347,5351,5953,6761,6763,9791,
 113111,127123,131129,137131,149143,179173,191189,
 211199,223211,223217,223219,233231,239233,239237,
 263257,277273,281279,307301,331319,347341,359353,
 359357,419417,431423,431429,479473]