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A292974 as a simple table

na(n)
13
281
33313
4171282
59444158
6541659909
731819176850
81902508129720
9115307287484560
107064528615347192
11436658221692698200
1227188662712300575980
131703444238720524912060

[3,81,3313,171282,9444158,541659909,31819176850,
 1902508129720,115307287484560,7064528615347192,
 436658221692698200,27188662712300575980,
 1703444238720524912060]