OFFSET
1,1
LINKS
G. J. Simmons, Palindromic powers, J. Rec. Math., 3 (No. 2, 1970), 93-98. [Annotated scanned copy]. See p. 95.
MATHEMATICA
Table[Length[Select[Range[ 0, 10^n - 1], PalindromeQ[#^2] &]], {n, 6}] (* Robert Price, Apr 26 2019 *)
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
N. J. A. Sloane, Oct 23 2015
EXTENSIONS
a(9)-a(10) from Chai Wah Wu, Oct 25 2015
a(11)-a(12) from Michael S. Branicky, May 23 2021
a(13)-a(22) (using A002778) from Chai Wah Wu, Sep 16 2021
STATUS
approved