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A168171 as a simple table

na(n)
111
229
3139
461
5211
6541
72269
889
9199
10281
11859
12661
13911
142269
152221
162081
172789
182161
193041
20421
212521
2219009
2321529
243001
259901
265981
272161
282269
2926449
302221
3131249
3219681
3317491
342789
353571
3625309
3730859
383041
396709
403001
419349
422521
4313159
4419009

[11,29,139,61,211,541,2269,89,199,281,859,661,911,
 2269,2221,2081,2789,2161,3041,421,2521,19009,
 21529,3001,9901,5981,2161,2269,26449,2221,31249,
 19681,17491,2789,3571,25309,30859,3041,6709,3001,
 9349,2521,13159,19009]