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A142123 as a simple table

na(n)
1199
2347
3421
4569
5643
61013
71087
81531
91753
101901
112789
123011
133307
143529
153677
164639
174787
184861
195009
205231
215527
225749
235897
246563
256637
267229
277451
287673
298117
308191
318783
329227
339967
3410337
3510559
3610781
3711003
3811299
3911447
4011743
4112113
4212409

[199,347,421,569,643,1013,1087,1531,1753,1901,
 2789,3011,3307,3529,3677,4639,4787,4861,5009,5231,
 5527,5749,5897,6563,6637,7229,7451,7673,8117,8191,
 8783,9227,9967,10337,10559,10781,11003,11299,
 11447,11743,12113,12409]