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A299255 as a simple table

na(n)
01
17
223
350
487
5135
6194
7263
8343
9434
10535
11647
12770
13903
141047
151202
161367
171543
181730
191927
202135
212354
222583
232823
243074
253335
263607
273890
284183
294487
304802
315127
325463
335810
346167
356535
366914
377303
387703
398114
408535
418967
429410
439863
4410327
4510802
4611287
4711783
4812290
4912807
5013335

[1,7,23,50,87,135,194,263,343,434,535,647,770,903,
 1047,1202,1367,1543,1730,1927,2135,2354,2583,2823,
 3074,3335,3607,3890,4183,4487,4802,5127,5463,5810,
 6167,6535,6914,7303,7703,8114,8535,8967,9410,9863,
 10327,10802,11287,11783,12290,12807,13335]