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A258781 as a simple table

na(n)
12
224
324
4240
5240
6504
7504
8504
9504
10504
11504
1265520
1365520
1465520
1565520
1665520
1765520
1865520
1965520
2065520
2165520
2265520
2365520
24131040
25131040
26131040
27131040
28131040
29131040
30171864
31171864
32171864
33171864
34171864
35171864
36138181680
37138181680
38138181680

[2,24,24,240,240,504,504,504,504,504,504,65520,
 65520,65520,65520,65520,65520,65520,65520,65520,
 65520,65520,65520,131040,131040,131040,131040,
 131040,131040,171864,171864,171864,171864,171864,
 171864,138181680,138181680,138181680]