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A005305 as a simple table

na(n)
22
34
48
516
630
756
8100
9172
10290
11480
12780
131248
141970
153068
164724
177200
1810862
1916240
2024080

[2,4,8,16,30,56,100,172,290,480,780,1248,1970,
 3068,4724,7200,10862,16240,24080]