OFFSET
1,3
EXAMPLE
E.g. 31=2^5-1^5, 992=4^5-2^5.
CROSSREFS
KEYWORD
nonn
AUTHOR
Mark Taggart (mt2612f(AT)aol.com), Nov 21 2008
EXTENSIONS
Extended by Ray Chandler, Dec 04 2008
Definition corrected by Harvey P. Dale, Jan 19 2018
STATUS
approved