OFFSET
1,1
COMMENTS
The single-digit numbers are 0,9,5,3,1,3,3,5, to be compared with A158270.
From formula A061041(n) = (n^2-16) / gcd(n-4,16)^2, this list is complete. - Franklin T. Adams-Watters, Sep 25 2011.
FORMULA
{k: A061041(k)<10}.
CROSSREFS
KEYWORD
nonn,less,fini,full,base
AUTHOR
Paul Curtz, Mar 23 2009
EXTENSIONS
Edited and extended by R. J. Mathar, Apr 04 2009
STATUS
approved