OFFSET
1,1
LINKS
Giovanni Resta, Table of n, a(n) for n = 1..36
P. De Geest, Palindromic Quasi_Over_Squares of the form n^2+(n+X)
MATHEMATICA
Select[Table[n^2+n+4, {n, 0, 25*10^5}], IntegerDigits[#] == Reverse[ IntegerDigits[ #]]&] (* Harvey P. Dale, Mar 05 2015 *)
Select[Table[n^2+n+4, {n, 0, 25*10^5}], PalindromeQ] (* Harvey P. Dale, Dec 23 2023 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
More terms from Giovanni Resta, Aug 29 2018
STATUS
approved