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A318105 as a simple table

na(n)
01
124
21
32520
4120
51
6369600
722680
8360
91
1063063000
114804800
12113400
13840
141
1511732745024
161072071000
1733633600
18415800
191680
201
212308743493056
22246387645504
239648639000
24168168000
251247400
263024
271
28472518347558400
2957718587326400
302710264100544
3161108047000
32672672000
333243240
345040
351

[1,24,1,2520,120,1,369600,22680,360,1,63063000,
 4804800,113400,840,1,11732745024,1072071000,
 33633600,415800,1680,1,2308743493056,246387645504,
 9648639000,168168000,1247400,3024,1,
 472518347558400,57718587326400,2710264100544,
 61108047000,672672000,3243240,5040,1]