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A293950 as a simple table

na(n)
01
12
240
33194
4666160
5287316122
6222237912664
7280180369563194
8537546603651987424
91490424231594917313242
105735930050702709579598280
1129665120602262869704075225594
12200776204583497637546703088929040
131739317344037357729592558320480494362

[1,2,40,3194,666160,287316122,222237912664,
 280180369563194,537546603651987424,
 1490424231594917313242,5735930050702709579598280,
 29665120602262869704075225594,
 200776204583497637546703088929040,
 1739317344037357729592558320480494362]