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A143089 as a simple table

na(n)
01
11
22
33
43
55
64
76
87
96
107
119
1210
1310
149
1511
1612
1714
1813
1914
2014
2115
2215
2318
2416
2518
2621
2717
2822
2920
3021
3121
3224
3321
3425
3525
3625
3726
3828
3930
4028
4127
4233
4329
4431
4530
4633
4730
4837
4934
5033
5138
5234
5339
5436
5539
5640
5742
5840
5944
6040
6143
6241
6348
6445
6543
6649
6744
6846
6951
7047
7146
7258
7348

[1,1,2,3,3,5,4,6,7,6,7,9,10,10,9,11,12,14,13,14,
 14,15,15,18,16,18,21,17,22,20,21,21,24,21,25,25,
 25,26,28,30,28,27,33,29,31,30,33,30,37,34,33,38,
 34,39,36,39,40,42,40,44,40,43,41,48,45,43,49,44,
 46,51,47,46,58,48]