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A286617 as a simple table

na(n)
01
12
22
33
44
52
63
75
86
94
102
114
126
133
145
157
168
176
184
199
204
212
224
236
2410
256
263
276
288
295
307
3111
3212
338
346
3513
369
374
389
3913
406
414
422
434
449
454
466
478
4814
4910
506
5113
526
533
546
5510
5614
578
585
598
6012
617
6211
6315
6416
6512
668
6717
6813
696
7013
7118
7213
739
744
759
7619
779
7813
7917
808
816
824
839
844
852
864
876
8813
899
904
919
9213
936
948
9512
9620
9714
9810
9918
10013
1016
10213
10318
10410
1056
1063
1076
10813

[1,2,2,3,4,2,3,5,6,4,2,4,6,3,5,7,8,6,4,9,4,2,4,6,
 10,6,3,6,8,5,7,11,12,8,6,13,9,4,9,13,6,4,2,4,9,4,
 6,8,14,10,6,13,6,3,6,10,14,8,5,8,12,7,11,15,16,12,
 8,17,13,6,13,18,13,9,4,9,19,9,13,17,8,6,4,9,4,2,4,
 6,13,9,4,9,13,6,8,12,20,14,10,18,13,6,13,18,10,6,
 3,6,13]