login

A068391 as a simple table

na(n)
12
215
3357
43339
55049
610659
712441
824969
999693
10124355
11132957
12145145
13353133
14423657
15596037
16655707
17734517
18745503
19894387
201406427
211641783
221823877
231936557
243295047
254108401
264194183
274776201
285574699
295842137
305971251
316132789
326953765
337649915

[2,15,357,3339,5049,10659,12441,24969,99693,
 124355,132957,145145,353133,423657,596037,655707,
 734517,745503,894387,1406427,1641783,1823877,
 1936557,3295047,4108401,4194183,4776201,5574699,
 5842137,5971251,6132789,6953765,7649915]