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A234471 as a simple table

na(n)
10
20
30
42
510
630
786
8180
9344
10624
111056
121626
132522
143646
155118
167164
179784
1812868
1916848
2021438
2127202
2234298
2342550
2451800
2563184
2676256
2791032
28108086
29127850
30149442
31174902
32202552
33233608
34268512
35306664
36349394
37398226
38450510
39507038
40569204

[0,0,0,2,10,30,86,180,344,624,1056,1626,2522,3646,
 5118,7164,9784,12868,16848,21438,27202,34298,
 42550,51800,63184,76256,91032,108086,127850,
 149442,174902,202552,233608,268512,306664,349394,
 398226,450510,507038,569204]