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A263089 as a simple table

na(n)
00
11
21
32
42
53
63
74
84
94
104
114
124
135
145
155
165
176
186
197
207
217
227
238
248
258
268
279
289
2910
3010
3111
3211
3311
3411
3512
3612
3713
3813
3913
4013
4114
4214
4315
4415
4515
4615
4715
4815
4915
5015
5116
5216
5317
5417
5517
5617
5718
5818
5919
6019
6120
6220
6320
6420
6521
6621
6722
6822
6922
7022
7123
7223
7324
7424
7524
7624
7725
7825
7926

[0,1,1,2,2,3,3,4,4,4,4,4,4,5,5,5,5,6,6,7,7,7,7,8,
 8,8,8,9,9,10,10,11,11,11,11,12,12,13,13,13,13,14,
 14,15,15,15,15,15,15,15,15,16,16,17,17,17,17,18,
 18,19,19,20,20,20,20,21,21,22,22,22,22,23,23,24,
 24,24,24,25,25,26]