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A090489 as a simple table

na(n)
25
33
43
54
64
75
84
95
107
116
128
138
147
158
169
1710
189
1911
2011
2110
2211
2311
2412
2514
2614
2713
2813
2912
3012

[5,3,3,4,4,5,4,5,7,6,8,8,7,8,9,10,9,11,11,10,11,
 11,12,14,14,13,13,12,12]