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A328806 as a simple table

na(n)
01
12
21
32
42
53
62
72
83
93
103
113
123
133
144
153
163
173
184
194
204
214
224
234
244
254
264
274
284
294
305
314
324
334
344
355
365
375
385
395
405
415
425
435
445
455
465
475
485
495
505
515
525
535
545
556
565
575
585
595
605
616
626
636
646
656
666
676
686
696
706
716
726
736
746
756
766
776
786
796
806
816
826
836
846
856
866
876
886
896
906
917
926
936
946
956
966
976
987
997
1007
1017
1027
1037
1047
1057

[1,2,1,2,2,3,2,2,3,3,3,3,3,3,4,3,3,3,4,4,4,4,4,4,
 4,4,4,4,4,4,5,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
 5,5,5,5,5,5,6,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6,
 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,7,6,6,6,6,6,6,7,
 7,7,7,7,7,7,7]