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A374914 as a simple table

na(n)
12
23
311
423
583
6131
7179
8191
9239
10251
11359
12419
13431
14443
15491
16659
17683
18719
19743
20911
211019
221031
231103
241223
251439
261451
271499
281511
291559
301583
311811
321931
332003
342039
352063
362339
372351
382399
392459
402543
412699
422819
432903
442939
452963
463023
473299
483359
493491

[2,3,11,23,83,131,179,191,239,251,359,419,431,443,
 491,659,683,719,743,911,1019,1031,1103,1223,1439,
 1451,1499,1511,1559,1583,1811,1931,2003,2039,2063,
 2339,2351,2399,2459,2543,2699,2819,2903,2939,2963,
 3023,3299,3359,3491]