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A108421 as a simple table

na(n)
22
34
44
54
65
75
85
95
104
114
125
136
145
155
166
174
185
196
205
215
225
235
246
256
266
275
286
295
306
317
327
337
348
355
365
376
385
395
406
416
425
436
446
455
466
476
487
498
505
515
526
536
546
556
567
575
586
596
607
618
627
637
648
656
667
675
685
696
705
715
726
736
745
756
766
775
786
797
807
817
826
836
846
856
866
876
887
896
906
917
927
937
948
957
968
976
985
995
1006
1016
1026
1036
1047
1055
1066

[2,4,4,4,5,5,5,5,4,4,5,6,5,5,6,4,5,6,5,5,5,5,6,6,
 6,5,6,5,6,7,7,7,8,5,5,6,5,5,6,6,5,6,6,5,6,6,7,8,5,
 5,6,6,6,6,7,5,6,6,7,8,7,7,8,6,7,5,5,6,5,5,6,6,5,6,
 6,5,6,7,7,7,6,6,6,6,6,6,7,6,6,7,7,7,8,7,8,6,5,5,6,
 6,6,6,7,5,6]