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A228881 as a simple table

na(n)
11
22
33
44
55
66
77
88
98
109
1110
1210
1313
1414
1514
1613
1716
1817
1912
2014
218
2212
2320
2415
2519
2620
2726
2822
2925
3026
3127
3228
3322

[1,2,3,4,5,6,7,8,8,9,10,10,13,14,14,13,16,17,12,
 14,8,12,20,15,19,20,26,22,25,26,27,28,22]