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A009304 as a simple table

na(n)
12
29
323
451
586
6107
7177
8212
9219
10359
11429
12443
13464
14534
15723
16779
17863
18891
19933
20968
211073
221178
231451
241563
251598
261731
271787
281871
291913
301941
311976
321983
332151
342361
352466
362606
372907
383131
393201
403236
413467
423579
433747
443831
453866
463887
473957

[2,9,23,51,86,107,177,212,219,359,429,443,464,534,
 723,779,863,891,933,968,1073,1178,1451,1563,1598,
 1731,1787,1871,1913,1941,1976,1983,2151,2361,2466,
 2606,2907,3131,3201,3236,3467,3579,3747,3831,3866,
 3887,3957]