login

A091525 as a simple table

na(n)
11
21
32
42
53
64
73
85
94
106
117
125
138
146
159
167
1710
1811
198
2012
219
2213
2314
2410
2515
2611
2716
2812
2917

[1,1,2,2,3,4,3,5,4,6,7,5,8,6,9,7,10,11,8,12,9,13,
 14,10,15,11,16,12,17]