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A071937 Reverse(n)!. 0

%I

%S 1,2,6,24,120,720,5040,40320,362880,1,39916800,51090942171709440000,

%T 8222838654177922817725562880000000,

%U 33452526613163807108170062053440751665152000000000

%N Reverse(n)!.

%e a(12) = reverse(12)! = 21! = 51090942171709440000.

%t Table[FromDigits[Reverse[IntegerDigits[n]]]!, {n, 1, 15}]

%K base,nonn

%O 1,2

%A _Joseph L. Pe_, Jun 14 2002

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Last modified June 19 23:01 EDT 2019. Contains 324222 sequences. (Running on oeis4.)