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A007497 as a simple table

na(n)
12
23
34
47
58
615
724
860
9168
10480
111512
124800
1315748
1428672
1565528
16122880
17393192
181098240
194124736
2015605760
2150328576
22149873152
23371226240
241710858240
257926750720
2633463001088
27109760857440
28384120963072
291468475386560
307157589626880
3133151875434496

[2,3,4,7,8,15,24,60,168,480,1512,4800,15748,28672,
 65528,122880,393192,1098240,4124736,15605760,
 50328576,149873152,371226240,1710858240,
 7926750720,33463001088,109760857440,384120963072,
 1468475386560,7157589626880,33151875434496]