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A234460 as a simple table

na(n)
11
20
37800
40
52787453552000000
60
73108366378804858902744832000000000000
80
9165290679439545659068950724771043004678057040281600000000000000000000
100

[1,0,7800,0,2787453552000000,0,
 3108366378804858902744832000000000000,0,
 16529067943954565906895072477104300467805704028160\
 0000000000000000000,0]