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A323617 as a simple table

na(n)
131
2101
3211
4281
5331
6401
7461
8521
9571
10631
11641
12691
13701
14751
15811
16821
17881
18941
191061
201231
211291
221301
231361
241481
251601
261721
271831
281901
291951
302011
312081
322141
332311
342371
352381
362731
372741
382801
392861
403041
413271
423331
433391
443461
453571
463581
473701
483761
493821
503931

[31,101,211,281,331,401,461,521,571,631,641,691,
 701,751,811,821,881,941,1061,1231,1291,1301,1361,
 1481,1601,1721,1831,1901,1951,2011,2081,2141,2311,
 2371,2381,2731,2741,2801,2861,3041,3271,3331,3391,
 3461,3571,3581,3701,3761,3821,3931]