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A194961 as a simple table

na(n)
11
21
32
41
52
63
71
84
92
103
111
124
135
142
153
161
174
185
196
202
213
221
234
247
255
266
272
283
291
304
317
328
335
346
352
363
371
384
397
408
419
425
436
442
453
461
474
487
4910
508
519
525
536
542
553
561
574
587
5910
6011
618
629
635
646
652
663
671
684
697
7010
7111
7212
738
749
755
766
772
783
791
804
817
8210
8313
8411
8512
868
879
885
896
902
913
921
934
947

[1,1,2,1,2,3,1,4,2,3,1,4,5,2,3,1,4,5,6,2,3,1,4,7,
 5,6,2,3,1,4,7,8,5,6,2,3,1,4,7,8,9,5,6,2,3,1,4,7,
 10,8,9,5,6,2,3,1,4,7,10,11,8,9,5,6,2,3,1,4,7,10,
 11,12,8,9,5,6,2,3,1,4,7,10,13,11,12,8,9,5,6,2,3,1,
 4,7]