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A012803 as a simple table

na(n)
01
12
248
31080
4112000
59941120
62204340864
7473940603136
8177280211177472
970742192264802304
1040258836839175946240
1125560794070720075464704
1220755313571874776988942336
1319066653840381485832858304512

[1,2,48,1080,112000,9941120,2204340864,
 473940603136,177280211177472,70742192264802304,
 40258836839175946240,25560794070720075464704,
 20755313571874776988942336,
 19066653840381485832858304512]