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A156992 as a simple table

na(n)
11
22
32
46
512
66
724
872
972
1024
11120
12480
13720
14480
15120
16720
173600
187200
197200
203600
21720
225040
2330240
2475600
25100800
2675600
2730240
285040
2940320
30282240
31846720
321411200
331411200
34846720
35282240
3640320
37362880
382903040
3910160640
4020321280
4125401600
4220321280
4310160640
442903040
45362880

[1,2,2,6,12,6,24,72,72,24,120,480,720,480,120,720,
 3600,7200,7200,3600,720,5040,30240,75600,100800,
 75600,30240,5040,40320,282240,846720,1411200,
 1411200,846720,282240,40320,362880,2903040,
 10160640,20321280,25401600,20321280,10160640,
 2903040,362880]