OFFSET
1,1
COMMENTS
The primitive terms in A158235 are the ones for which the repdigit is squarefree. Hence n^2 = d*(b^k-1)/(b-1) with d squarefree and d<b<n.
EXAMPLE
105339^2 = 333 in base 60817.
CROSSREFS
KEYWORD
nonn
AUTHOR
T. D. Noe, Mar 14 2009
STATUS
approved