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A338027 as a simple table

na(n)
00
11
22
33
41
52
63
74
85
91
104
113
126
137
143
154
161
178
183
195
206
213
228
235
245
251
265
273
287
297
303
315
325
339
3410
355
361
377
383
396
405
413
429
435
448
457
465
479
487
491
5011
513
528
539
543
557
565
5710
589
595
609
617
6210
6311
641
658
663
6712
689
693
7011
715
7212
7311
745
757
767
779
7811
795
809
811
8211
833
847
8510

[0,1,2,3,1,2,3,4,5,1,4,3,6,7,3,4,1,8,3,5,6,3,8,5,
 5,1,5,3,7,7,3,5,5,9,10,5,1,7,3,6,5,3,9,5,8,7,5,9,
 7,1,11,3,8,9,3,7,5,10,9,5,9,7,10,11,1,8,3,12,9,3,
 11,5,12,11,5,7,7,9,11,5,9,1,11,3,7,10]