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A258230 as a simple table

na(n)
12
212
3105
4495
555440
6340340
71012647636
812304749600
95920545668637600
101098951951860282520
111572101004939647757775200
122051717579526635495717258016
13244523633377266327241371614400
1432818916025992059215981780272862841200

[2,12,105,495,55440,340340,1012647636,12304749600,
 5920545668637600,1098951951860282520,
 1572101004939647757775200,
 2051717579526635495717258016,
 244523633377266327241371614400,
 32818916025992059215981780272862841200]