OFFSET
1,3
COMMENTS
Denominator of (A002808(n)/n).
PROG
(PARI) lista(nn) = {compo = select(n->(! isprime(n) && (n != 1)), vector(nn, i, i)); for (i = 1, #compo, print1(denominator(compo[i]/i), ", "); ); } \\ Michel Marcus, Sep 11 2013
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Jaroslav Krizek, Dec 11 2009
EXTENSIONS
More terms from Michel Marcus, Sep 11 2013
STATUS
approved