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A337618 as a simple table

na(n)
01
11
21
32
41
52
63
72
81
94
102
115
124
132
144
153
164
173
185
197
202
217
228
234
247
257
263
277
286
294
3010
314
329
337
344
357
368
3711
389
398
405
4112
4210
4313
4412
456
469
4712
4814
495
5012
5110
5210
5311
5411
558
5612
5713
5810
5911
6020
616
6216
6310
6418
6511
6611
6714
6810
6910
7016
719
7215
7317
7413
7521

[1,1,1,2,1,2,3,2,1,4,2,5,4,2,4,3,4,3,5,7,2,7,8,4,
 7,7,3,7,6,4,10,4,9,7,4,7,8,11,9,8,5,12,10,13,12,6,
 9,12,14,5,12,10,10,11,11,8,12,13,10,11,20,6,16,10,
 18,11,11,14,10,10,16,9,15,17,13,21]