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A289188 as a simple table

na(n)
12
22
33
44
55
66
77
88
98
109
1110
1211
1312
1413
1514
1614
1715
1816
1917
2018
2118
2219
2320
2421
2522
2623
2723
2824
2925
3026
3127
3227
3328
3429
3530
3631
3731
3832
3933
4034
4135
4235
4336
4437
4538
4639
4739
4840
4941
5042
5143
5243
5344
5445
5546
5647
5747
5848
5949
6050
6151
6251

[2,2,3,4,5,6,7,8,8,9,10,11,12,13,14,14,15,16,17,
 18,18,19,20,21,22,23,23,24,25,26,27,27,28,29,30,
 31,31,32,33,34,35,35,36,37,38,39,39,40,41,42,43,
 43,44,45,46,47,47,48,49,50,51,51]