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A191210 as a simple table

na(n)
11
25
317
421
553
665
769
885
9113
10161
11197
12209
13213
14257
15261
16277
17341
18369
19485
20593
21629
22641
23645
24773
25785
26789
27833
28837
29853
301025
311029
321045
331109
341137
351365
361393
371457
381781
391889
401925
411937
421941
432321
442357
452369
462373

[1,5,17,21,53,65,69,85,113,161,197,209,213,257,
 261,277,341,369,485,593,629,641,645,773,785,789,
 833,837,853,1025,1029,1045,1109,1137,1365,1393,
 1457,1781,1889,1925,1937,1941,2321,2357,2369,2373]