OFFSET
1,5
COMMENTS
It appears that a(n)= 0 if and only if n divides 24 (See also the comments in A018253).
LINKS
FORMULA
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Omar E. Pol, Jun 19 2009
EXTENSIONS
Edited by Omar E. Pol, Aug 02 2009
STATUS
approved