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A099819
Bisection of A000521.
0
744, 21493760, 20245856256, 4252023300096, 401490886656000, 22567393309593600, 874313719685775360, 25497827389410525184, 593121772421445058560, 11459912788444786513920, 189449976248893390028800
OFFSET
-1,1
CROSSREFS
Sequence in context: A294182 A091406 A066396 * A344014 A051978 A235732
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 19 2004
EXTENSIONS
More terms from Joshua Zucker, May 15 2006
STATUS
approved