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A200786 as a simple table

na(n)
116
275
3225
4530
51071
61946
73270
85175
97810
1011341
1115951
1221840
1329225
1438340
1549436
1662781
1778660
1897375
19119245
20144606
21173811
22207230
23245250
24288275
25336726
26391041
27451675
28519100
29593805
30676296
31767096
32866745
33975800
341094835

[16,75,225,530,1071,1946,3270,5175,7810,11341,
 15951,21840,29225,38340,49436,62781,78660,97375,
 119245,144606,173811,207230,245250,288275,336726,
 391041,451675,519100,593805,676296,767096,866745,
 975800,1094835]