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A081844 as a simple table

na(n)
01
12
22
33
43
52
62
75
83
92
106
113
123
134
142
157
165
176
182
195
203
214
228
233
245
258
262
275
285
292
302
3113
327
332
346
353
369
378
386
393
405
412
4212
435
449
4510
4614
475
483
498
502
513
5215
532
544
555
565
576
5812
599
603
618
624
6319
6411
652
6610
6711
683
692
706
715
727
7310
742
7511
7613
7714
784
795
809
812
8214
833
843
8512
862
879
885
892
902
915
927
938
9420
953
963
9720

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