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A326619 as a simple table

na(n)
21
32
41
53
63
74
81
92
102
115
123
136
145
155
161
177
183
198
202
213
223
239
243
253
267
272
285
2910
302
3111
321
337
344
357
363
3712
389
394
402
4113
427
4314
443
455
465
4715
483
494
502
519
527
5316
543
554
565
575
5811
5917
602
6118
626
633
641
659
668
6719
684
6911
708
7120
723
7321
7413
755
769
779
783
7922
802
812
827

[1,2,1,3,3,4,1,2,2,5,3,6,5,5,1,7,3,8,2,3,3,9,3,3,
 7,2,5,10,2,11,1,7,4,7,3,12,9,4,2,13,7,14,3,5,5,15,
 3,4,2,9,7,16,3,4,5,5,11,17,2,18,6,3,1,9,8,19,4,11,
 8,20,3,21,13,5,9,9,3,22,2,2,7]