OFFSET
1,3
LINKS
P. De Geest, Palindromic Squares
G. J. Simmons, On palindromic squares of non-palindromic numbers, J. Rec. Math., 5 (No. 1, 1972), 11-19. [Annotated scanned copy]
MATHEMATICA
pal5Q[n_]:=Module[{idn5=IntegerDigits[n^2, 5]}, idn5==Reverse[idn5]]; Select[ Range[ 0, 2*10^6], pal5Q] (* Harvey P. Dale, Feb 02 2023 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved