OFFSET
1,3
LINKS
P. De Geest, Palindromic Octagonals
MATHEMATICA
Select[Range[0, 10^5], PalindromeQ[PolygonalNumber[8, #]] &] (* Robert Price, Apr 29 2019 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Aug 15 2000
EXTENSIONS
More terms from Herman Jamke (hermanjamke(AT)fastmail.fm), Apr 17 2008
a(1)=0 added by Robert Price, Apr 29 2019
STATUS
approved