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A367799 as a simple table

na(n)
01
12
21
31
41
52
63
72
84
91
102
113
122
134
145
155
166
173
187
196
203
214
228
235
244
256
267
279
288
295
3010
3111
326
3312
347
358
369
379
3810
3913
4011
4112
4210
4313
4414
457
468
4714
489
4911
5015
5116
5212
5317
5415
5513
5614
5716
5815
5910
6011
6112
6218
6313
6416
6514
6615
6719
6816
6917
7017
7118
7217
7319
7420

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