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A187471 as a simple table

na(n)
11
21
31
41
51
61
71
83
93
103
113
123
133
143
156
165
175
185
195
205
215
228
236
246
256
266
276
286
2911
308
319
329
339
349
359
3613
379
3810
3910
4010
4110
4210
4315
4411
4512
4611
4711
4811
4911
5018
5112
5214
5314
5414
5514
5614
5720
5814
5916
6015
6116
6216
6316
6423
6516
6618
6717
6817
6917
7017
7125
7217
7320
7419
7519
7619
7719
7827
7919
8021

[1,1,1,1,1,1,1,3,3,3,3,3,3,3,6,5,5,5,5,5,5,8,6,6,
 6,6,6,6,11,8,9,9,9,9,9,13,9,10,10,10,10,10,15,11,
 12,11,11,11,11,18,12,14,14,14,14,14,20,14,16,15,
 16,16,16,23,16,18,17,17,17,17,25,17,20,19,19,19,
 19,27,19,21]