OFFSET
0,1
LINKS
David S. Hart, James E. Marengo, Darren A. Narayan, and David S. Ross, On the number of trailing zeros in n!, College Math. J., 39(2) (2008) p 139-145.
A. M. Oller-Marcen, A new look at the trailing zeros of n!, arXiv:0906.4868 [math.NT].
A. M. Oller-Marcen, J. Maria Grau, On the Base-b Expansion of the Number of Trailing Zeros of b^k!, J. Int. Seq. 14 (2011) 11.6.8
CROSSREFS
KEYWORD
base,sign
AUTHOR
José María Grau Ribas, Feb 15 2010, Feb 22 2010
STATUS
approved