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A299254 as a simple table

na(n)
01
17
221
345
479
5122
6175
7237
8309
9391
10482
11583
12693
13813
14943
151082
161231
171389
181557
191735
201922
212119
222325
232541
242767
253002
263247
273501
283765
294039
304322
314615
324917
335229
345551
355882
366223
376573
386933
397303
407682
418071
428469
438877
449295
459722
4610159
4710605
4811061
4911527
5012002

[1,7,21,45,79,122,175,237,309,391,482,583,693,813,
 943,1082,1231,1389,1557,1735,1922,2119,2325,2541,
 2767,3002,3247,3501,3765,4039,4322,4615,4917,5229,
 5551,5882,6223,6573,6933,7303,7682,8071,8469,8877,
 9295,9722,10159,10605,11061,11527,12002]