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A260271 as a simple table

na(n)
111
219
341
4149
5191
6199
7419
8449
9491
10499
11911
12919
13941
14991
151499
161949
171999
184111
194441
204919
214999
229199
239419
249491
259941
269949
2711119
2811149
2911411
3011491
3111941
3214149
3314411
3414419
3514449
3619141
3719441
3819919
3919949
4019991
4141141
4241149
4341411

[11,19,41,149,191,199,419,449,491,499,911,919,941,
 991,1499,1949,1999,4111,4441,4919,4999,9199,9419,
 9491,9941,9949,11119,11149,11411,11491,11941,
 14149,14411,14419,14449,19141,19441,19919,19949,
 19991,41141,41149,41411]