OFFSET
0,3
PROG
(PARI) a(n) = if ((n%2) && isprime(n), 1, n); \\ Michel Marcus, Nov 13 2013
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Mohammad K. Azarian, Aug 14 2007
EXTENSIONS
Offset corrected by Ivan Panchenko, Nov 13 2013
STATUS
approved