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A057955 as a simple table

na(n)
11
22
32
43
53
64
72
84
94
106
113
127
133
146
156
166
175
187
193
209
214
225
235
249
256
267
276
289
292
3011
313
329
336
348
357
3613
376
386
396
4012
413
4210
435
449
4511
468
474
4813
495
5010
519
5211
534
5411
557
5614
577
586
594
6020
614
625
6310
6412
659
6612
673
6811
698
7018
712
7218
735
7410
7512
769
776
7815
794
8017
818
827
838
8417
8510
867
877
8812
894
9018
916

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