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A060099 as a simple table

na(n)
01
14
213
332
471
5140
6259
7448
8742
91176
101806
112688
123906
135544
147722
1510560
1614223
1718876
1824739
1932032
2041041
2152052
2265429
2381536
24100828
25123760
26150892
27182784
28220116
29263568
30313956
31372096
32438957
33515508
34602889
35702240
36814891
37942172
381085623

[1,4,13,32,71,140,259,448,742,1176,1806,2688,3906,
 5544,7722,10560,14223,18876,24739,32032,41041,
 52052,65429,81536,100828,123760,150892,182784,
 220116,263568,313956,372096,438957,515508,602889,
 702240,814891,942172,1085623]