login

A239105 as a simple table

na(n)
11
21
32
42
53
64
74
84
95
106
116
127
138
148
158
168
179
1810
1911
2012
2112
2213
2314
2414

[1,1,2,2,3,4,4,4,5,6,6,7,8,8,8,8,9,10,11,12,12,13,
 14,14]