OFFSET
1,2
COMMENTS
a(k+1) is either a multiple or a divisor of a(k).
EXAMPLE
8 follows 2 as both 2*8 + 1 = 17 and 8/2 + 1 = 5 are primes.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, May 26 2003
EXTENSIONS
Corrected and extended by Ray Chandler, Aug 05 2003
STATUS
approved