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A319870 as a simple table

na(n)
16
230
3120
4360
5720
6720
7732
8852
92040
1012600
1195760
12666000
13666018
14666306
15670896
16739440
171694160
1814032080
1914032104
2014032632
2114044224
2214287104
2319132560
24110941200
25110941230
26110942070
27110965560
28111598920
29128041920
30538459200
31538459236

[6,30,120,360,720,720,732,852,2040,12600,95760,
 666000,666018,666306,670896,739440,1694160,
 14032080,14032104,14032632,14044224,14287104,
 19132560,110941200,110941230,110942070,110965560,
 111598920,128041920,538459200,538459236]