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A033487 as a simple table

na(n)
00
16
230
390
4210
5420
6756
71260
81980
92970
104290
116006
128190
1310920
1414280
1518360
1623256
1729070
1835910
1943890
2053130
2163756
2275900
2389700
24105300
25122850
26142506
27164430
28188790
29215760
30245520
31278256
32314160
33353430
34396270
35442890
36493506

[0,6,30,90,210,420,756,1260,1980,2970,4290,6006,
 8190,10920,14280,18360,23256,29070,35910,43890,
 53130,63756,75900,89700,105300,122850,142506,
 164430,188790,215760,245520,278256,314160,353430,
 396270,442890,493506]