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A064163 as a simple table

na(n)
01
10
20
30
42603658750
55723204788224
63086110942924800
7629614958560051200
863066286970630666100
93669097739225491865600
10139056952114626343477248
113725978494644646694092800
1274980044645965420076063000

[1,0,0,0,2603658750,5723204788224,
 3086110942924800,629614958560051200,
 63066286970630666100,3669097739225491865600,
 139056952114626343477248,
 3725978494644646694092800,
 74980044645965420076063000]