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A363242 as a simple table

na(n)
11
23
39
421
539
651
799
8111
9159
10171
11249
12261
13309
14321
15369
16381
17669
18681
19729
20741
21789
22801
231089
241101
251149
261161
271209
281221
291509
301521
311569
321581
331629
341641
351929
361941
371989
382001
392049
402061
412559
422571
432619
442631
452679
462691
472979
482991
493039

[1,3,9,21,39,51,99,111,159,171,249,261,309,321,
 369,381,669,681,729,741,789,801,1089,1101,1149,
 1161,1209,1221,1509,1521,1569,1581,1629,1641,1929,
 1941,1989,2001,2049,2061,2559,2571,2619,2631,2679,
 2691,2979,2991,3039]