OFFSET
1,1
LINKS
Hugo Pfoertner, Table of n, a(n) for n = 1..10000
PROG
(PARI) for( n=5, 1999, n % nextprime(sqrtint(n-1)+1) & next; omega(n)>1 & print1(n", ")) /* sqrtint(n-1)+1 avoids rounding errors but could be replaced by sqrt(n) for small n */
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Mar 10 2009
STATUS
approved