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%I #14 Sep 06 2021 15:46:06
%S 100,10172,10460137,12309598,101740172,102025300,1085864492,
%T 1086219242,107045858977,109244416317
%N Numbers n such that n^2 + (n+1)^2 + (n+2)^2 + (n+3)^2 is palindromic.
%H P. De Geest, <a href="http://www.worldofnumbers.com/sumsquare.htm">Palindromic Sums of Squares of Consecutive Integers</a>
%t Select[Range[1231*10^4], PalindromeQ[Total[(# + {0, 1, 2, 3})^2]] &] (* The program generates the first 4 terms of the sequence. To generate more, increase the Range constant, but the program will take a long time to run. *) (* _Harvey P. Dale_, Apr 18 2021 *)
%Y Cf. A027577.
%K nonn,base
%O 1,1
%A _Patrick De Geest_
%E a(6)-a(8) from _Donovan Johnson_, Aug 26 2012
%E a(9)-a(10) from _Chai Wah Wu_, Sep 06 2021
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