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A256048 as a simple table

na(n)
0101
1313
2727
3131
411411
5151
610601
7373
8181
9191
1030103
111114111
121120211
1311311
1411411
1531513
161160611
171117111
1818181
1971917
2030203
211120211
2272227
2332323
2412421
251250521
2636263
2712721
2812821
2939293
3010301
3111311
3232323
3313331
3414341
3533533
3616361
3777377

[101,313,727,131,11411,151,10601,373,181,191,
 30103,1114111,1120211,11311,11411,31513,1160611,
 1117111,18181,71917,30203,1120211,72227,32323,
 12421,1250521,36263,12721,12821,39293,10301,11311,
 32323,13331,14341,33533,16361,77377]