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A213651 as a simple table

na(n)
01
11
21
31
41
51
61
71
81
91
101
111
122
133
144
155
166
177
188
199
2010
219
228
237
246
255
264
273
282
291
301
313
326
3310
3415
3521
3628
3736
3845
3955
4063
4169
4273
4375
4475
4573
4669
4763
4855
4945
5036
5128
5221
5315
5410
556
563
571
581
594
6010
6120
6235
6356
6484
65120
66165
67220
68282
69348
70415
71480

[1,1,1,1,1,1,1,1,1,1,1,1,2,3,4,5,6,7,8,9,10,9,8,7,
 6,5,4,3,2,1,1,3,6,10,15,21,28,36,45,55,63,69,73,
 75,75,73,69,63,55,45,36,28,21,15,10,6,3,1,1,4,10,
 20,35,56,84,120,165,220,282,348,415,480]