login

A069881 as a simple table

na(n)
11
22
33
44
55
655
7151
8161
9171
10181
11191
12252
13262
14272
15282
16292
17353
18363
19373
20383
21393
22454
23464
24474
25484
26494
27555
285555
2915051
3015151
3115251
3215351
3315451
3416061
3516161
3616261
3716361
3816461
3917071
4017171
4117271
4217371
4317471
4418081
4518181

[1,2,3,4,5,55,151,161,171,181,191,252,262,272,282,
 292,353,363,373,383,393,454,464,474,484,494,555,
 5555,15051,15151,15251,15351,15451,16061,16161,
 16261,16361,16461,17071,17171,17271,17371,17471,
 18081,18181]