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A327584 as a simple table

na(n)
01
11
23
34
46
513
648
7150
8300
9666
10936
111824
122520
132160
145040
1575
16536
172820
1811144
1941346
20131304
21420084
221191552
233427008
249207456
2523466720
2661522560
27141553560
28345346560
29777152160
301635096960
313700806480
326998261760
3314211912960
3427442437120

[1,1,3,4,6,13,48,150,300,666,936,1824,2520,2160,
 5040,75,536,2820,11144,41346,131304,420084,
 1191552,3427008,9207456,23466720,61522560,
 141553560,345346560,777152160,1635096960,
 3700806480,6998261760,14211912960,27442437120]