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A321330 as a simple table

na(n)
02
14
21
380
41
51120
61
744800
81
9197120
101
111793792000
121
13102502400
141
154879114240000
161
17259568877568000
181
1940789395046400000
201
21238803367362560000
221
239561686829196902400000
241
251050734816395264000000
261
277922540515620290560000000
281
2952951091790199773986816000000

[2,4,1,80,1,1120,1,44800,1,197120,1,1793792000,1,
 102502400,1,4879114240000,1,259568877568000,1,
 40789395046400000,1,238803367362560000,1,
 9561686829196902400000,1,1050734816395264000000,1,
 7922540515620290560000000,1,
 52951091790199773986816000000]