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A052228 as a simple table

na(n)
15
211
331
441
561
671
7101
8151
9193
10251
11401
12499
13557
14601
15701
16751
171151
181201
191249
201301
211601
221693
231801
241901
251951
262351
272551
282801
293001
303301
313701
324001
334201
344751
354801
364951
374999
385101
395351
405501
415701
425801
436101
446151
456301
466551

[5,11,31,41,61,71,101,151,193,251,401,499,557,601,
 701,751,1151,1201,1249,1301,1601,1693,1801,1901,
 1951,2351,2551,2801,3001,3301,3701,4001,4201,4751,
 4801,4951,4999,5101,5351,5501,5701,5801,6101,6151,
 6301,6551]