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A215687 as a simple table

na(n)
00
116
2174
3690
41876
54140
67986
714014
822920
935496
1052630
1175306
12104604
13141700
14187866
15244470
16312976
17394944
18492030
19605986
20738660
21891996
221068034
231268910
241496856
251754200
262043366
272366874
282727340
293127476
303570090
314058086
324594464
335182320

[0,16,174,690,1876,4140,7986,14014,22920,35496,
 52630,75306,104604,141700,187866,244470,312976,
 394944,492030,605986,738660,891996,1068034,
 1268910,1496856,1754200,2043366,2366874,2727340,
 3127476,3570090,4058086,4594464,5182320]