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A289626 as a simple table

na(n)
11
21
32
42
53
62
74
85
94
103
116
125
137
144
158
168
179
184
1910
208
2111
226
2312
2413
2514
267
2710
2811
2915
308
3116
3217
3318
349
3519
3611
3720
3810
3919
4021
4122
4211
4323
4418
4519
4612
4724
4821
4923
5014
5125
5219
5326
5410
5527
5628
5729
5815
5930
6021
6131
6216
6332
6425
6533
6618
6734
6825
6935
7019
7136
7228
7337
7420
7527
7629
7738
7819
7939
8040
8141
8222
8342
8428
8543
8623
8744
8845
8946
9019
9147
9235
9338
9424
9548
9649

[1,1,2,2,3,2,4,5,4,3,6,5,7,4,8,8,9,4,10,8,11,6,12,
 13,14,7,10,11,15,8,16,17,18,9,19,11,20,10,19,21,
 22,11,23,18,19,12,24,21,23,14,25,19,26,10,27,28,
 29,15,30,21,31,16,32,25,33,18,34,25,35,19,36,28,
 37,20,27,29,38,19,39,40,41,22,42,28,43,23,44,45,
 46,19,47,35,38,24,48,49]