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A010690 as a simple table

na(n)
01
19
21
39
41
59
61
79
81
99
101
119
121
139
141
159
161
179
181
199
201
219
221
239
241
259
261
279
281
299
301
319
321
339
341
359
361
379
381
399
401
419
421
439
441
459
461
479
481
499
501
519
521
539
541
559
561
579
581
599
601
619
621
639
641
659
661
679
681
699
701
719
721
739
741
759
761
779
781
799
801

[1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,
 1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,
 9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,1,9,
 1,9,1,9,1,9,1]