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A087863 as a simple table

na(n)
06
121
245
379
4124
5181
6251
7335
8434
9549
10681
11831
121000
131189
141399
151631
161886
172165
182469
192799
203156
213541
223955
234399
244874
255381
265921
276495
287104
297749
308431
319151
329910
3310709
3411549
3512431
3613356
3714325
3815339
3916399
4017506
4118661
4219865

[6,21,45,79,124,181,251,335,434,549,681,831,1000,
 1189,1399,1631,1886,2165,2469,2799,3156,3541,3955,
 4399,4874,5381,5921,6495,7104,7749,8431,9151,9910,
 10709,11549,12431,13356,14325,15339,16399,17506,
 18661,19865]