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A050277 as a simple table

na(n)
01
196
264
318432
464
53840
65308416
7128
824576
95898240
102038431744
113072
1282575360
13849346560
14978447237120
152048
167864320
17237817036800
18652298158080
19563585608581120
202048
212621440
2211890851840
235707608883200

[1,96,64,18432,64,3840,5308416,128,24576,5898240,
 2038431744,3072,82575360,849346560,978447237120,
 2048,7864320,237817036800,652298158080,
 563585608581120,2048,2621440,11890851840,
 5707608883200]