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A277192 as a simple table

na(n)
01
11
23
33
44
56
66
78
88
99
1011
1110
1213
1312
1413
1516
1615
1716
1817
1919
2017
2122
2220
2321
2423
2524
2623
2725
2826
2926
3028
3130
3228
3330
3431
3531
3631
3734
3834
3935
4035
4137
4237
4340
4438
4541
4642
4740
4844
4943
5044
5145
5244
5346
5445
5550
5650
5749
5848
5954
6053
6152
6252
6357
6455
6556
6657
6758
6858
6960
7060
7158
7265
7361
7464
7566
7664
7765
7866
7968
8069
8168
8270
8369

[1,1,3,3,4,6,6,8,8,9,11,10,13,12,13,16,15,16,17,
 19,17,22,20,21,23,24,23,25,26,26,28,30,28,30,31,
 31,31,34,34,35,35,37,37,40,38,41,42,40,44,43,44,
 45,44,46,45,50,50,49,48,54,53,52,52,57,55,56,57,
 58,58,60,60,58,65,61,64,66,64,65,66,68,69,68,70,
 69]