OFFSET
1,2
COMMENTS
a does not contain any arithmetic progression. The first 24 terms coincide with A053460.
EXAMPLE
a(17) = 18 = 2 * 3^2, whereas A065201(4) = 28 = 2^2 * 7 as 2
< 7.
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Oct 21 2001
EXTENSIONS
Edited by Franklin T. Adams-Watters, Oct 27 2006
STATUS
approved