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A231319 as a simple table

na(n)
1216
29600
3569184
430645600
51695860064
693216760416
75132640060000
8282526545904224
915552808745472864
10856159949131740000
1147130503963700361056
122594473391280336234336
13142822425161120289404256

[216,9600,569184,30645600,1695860064,93216760416,
 5132640060000,282526545904224,15552808745472864,
 856159949131740000,47130503963700361056,
 2594473391280336234336,142822425161120289404256]