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A309108 as a simple table

na(n)
01
11
21
32
43
52
65
76
87
94
1010
119
127
1311
1412
158
1613
1711
1817
1919
2015
2123
227
2314
2416
2512
2627
2713
2825
2929
3031
3137
3233
3330
3426
3516
3620
3727
3834
3929
4035
4118
4241
4343
4447
4553
4639
4737
4849
4951
5059
5138
5240
5341
5446
5547
5642
5719
5831
5944
6055
6156
6261
6357
6467
6564
6645
6771
6862

[1,1,1,2,3,2,5,6,7,4,10,9,7,11,12,8,13,11,17,19,
 15,23,7,14,16,12,27,13,25,29,31,37,33,30,26,16,20,
 27,34,29,35,18,41,43,47,53,39,37,49,51,59,38,40,
 41,46,47,42,19,31,44,55,56,61,57,67,64,45,71,62]