login

A120509 as a simple table

na(n)
11
21
31
42
53
64
74
84
94
105
116
127
138
148
159
1610
1711
1812
1912
2013
2114
2215
2316
2416
2516
2616
2716
2817
2918
3019
3120
3220
3321
3422
3523
3624
3724
3825
3926
4027
4128
4228
4329
4430
4531
4632
4732
4832
4933
5034
5135
5236
5336
5437
5538
5639
5740
5840
5941
6042

[1,1,1,2,3,4,4,4,4,5,6,7,8,8,9,10,11,12,12,13,14,
 15,16,16,16,16,16,17,18,19,20,20,21,22,23,24,24,
 25,26,27,28,28,29,30,31,32,32,32,33,34,35,36,36,
 37,38,39,40,40,41,42]