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A247101 as a simple table

na(n)
12
211
341
459
5181
6379
7571
8659
91429
101439
111721
121879
132029
142239
152351
162381
172579
182671
193209
203581
214159
224229
234271
244969
254999
266299
276451
286551
297349
307841
3110391
3210399
3311059
3411551
3512841
3613049
3713159
3813619
3914071
4015329
4115581
4215889
4316811
4417231
4517749
4618719
4720219

[2,11,41,59,181,379,571,659,1429,1439,1721,1879,
 2029,2239,2351,2381,2579,2671,3209,3581,4159,4229,
 4271,4969,4999,6299,6451,6551,7349,7841,10391,
 10399,11059,11551,12841,13049,13159,13619,14071,
 15329,15581,15889,16811,17231,17749,18719,20219]