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A027573 Numbers n such that n^2 + (n+1)^2 + (n+2)^2 is palindromic. 1

%I #9 Aug 26 2012 13:58:56

%S 4,11,37,566,1736,8339,16084,17552,17932,36997,40441,119811,173736,

%T 378811,1328120,1751496,1775706,4427780,8211879,17909282,40439557

%N Numbers n such that n^2 + (n+1)^2 + (n+2)^2 is palindromic.

%H P. De Geest, <a href="http://www.worldofnumbers.com/sumsquare.htm">Palindromic Sums of Squares of Consecutive Integers</a>

%Y Cf. A027574.

%K nonn,base

%O 1,1

%A _Patrick De Geest_

%E a(17) corrected and a(18)-a(21) from _Donovan Johnson_, Aug 26 2012

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Last modified May 4 21:32 EDT 2024. Contains 372257 sequences. (Running on oeis4.)