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A071542 as a simple table

na(n)
00
11
22
32
43
53
64
74
85
95
106
116
127
137
147
157
168
178
189
199
2010
2110
2210
2310
2411
2511
2611
2711
2812
2912
3012
3112
3213
3313
3414
3514
3615
3715
3815
3915
4016
4116
4216
4316
4417
4517
4617
4717
4818
4918
5018
5118
5219
5319
5419
5519
5620
5720
5820
5920
6021
6121
6221
6321
6422
6522
6623
6723
6824
6924
7024
7124
7225
7325
7425
7525

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