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A203925
3^n! - 2^n!.
2
1, 1, 5, 665, 282412759265, 1797010299914431210411850601513820123858571820477570761825
OFFSET
0,3
FORMULA
a(n) = A100731(n) - A050923(n). - Michel Marcus, Sep 04 2013
CROSSREFS
Sequence in context: A185820 A332165 A133750 * A198597 A180315 A332300
KEYWORD
nonn
AUTHOR
Assoul Abdelkarim, Jan 08 2012
STATUS
approved