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A262838 as a simple table

na(n)
12
23
323
447
553
661
767
871
989
10127
11137
12191
13397
14443
15701
161031
171117
181223
191499
201549
211579
221621
231699
241933
251951
262129
272207
282311
292381
302473
312521
322671
332731
342753
352833
363011
373019
383061
393967
404051
414093
424127
434229
444397
454457
464943
475023

[2,3,23,47,53,61,67,71,89,127,137,191,397,443,701,
 1031,1117,1223,1499,1549,1579,1621,1699,1933,1951,
 2129,2207,2311,2381,2473,2521,2671,2731,2753,2833,
 3011,3019,3061,3967,4051,4093,4127,4229,4397,4457,
 4943,5023]