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A071223 as a simple table

na(n)
22
32
46
52
612
724
82
920
1072
11120
122
1330
14172
15480
16720
172
1842
19352
201512
213600
225040
232
2456
25646
263976
2714184
2830240
2940320
302
3172
321094
339144
3445992
35143712
36282240
37362880
382
3990
401742
4118990
42128288
43557640
441575648
452903040
463628800
472
48110
492642
5036410
51318188
521840520
537152048
5418659520
5532659200
5639916800

[2,2,6,2,12,24,2,20,72,120,2,30,172,480,720,2,42,
 352,1512,3600,5040,2,56,646,3976,14184,30240,
 40320,2,72,1094,9144,45992,143712,282240,362880,2,
 90,1742,18990,128288,557640,1575648,2903040,
 3628800,2,110,2642,36410,318188,1840520,7152048,
 18659520,32659200,39916800]