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A318891 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1010
1111
1212
1313
1414
1510
1615
1716
1812
1917
2018
2114
2219
2320
2421
2522
2623
2724
2825
2926
3027
3128
3229
3319
3430
3514
3631
3732
3833
3923
4034
4135
4236
4337
4438
4518
4639
4740
4841
4942
5018
5130
5243
5344
5421
5519
5645
5733
5846
5947
6048
6149
6250
6325
6451
6523
6652
6753
6854
6939
7036
7155
7256
7357
7458
7518
7659
7719
7860
7961
8062
8163
8264
8365
8466
8530
8667
8746
8868
8969
9048
9123
9270
9350

[1,2,3,4,5,6,7,8,9,10,11,12,13,14,10,15,16,12,17,
 18,14,19,20,21,22,23,24,25,26,27,28,29,19,30,14,
 31,32,33,23,34,35,36,37,38,18,39,40,41,42,18,30,
 43,44,21,19,45,33,46,47,48,49,50,25,51,23,52,53,
 54,39,36,55,56,57,58,18,59,19,60,61,62,63,64,65,
 66,30,67,46,68,69,48,23,70,50]