A358237 Palindromes of the form k^2 + 2.
2, 3, 6, 11, 66, 171, 363, 7227, 66566, 154451, 685586, 3279723, 6441446, 8503058, 8916198, 13155131, 20611602, 110313011, 19833933891, 72288388227, 89064046098, 179298892971, 814860068418, 1103556553011, 3406132316043, 6205240425026, 30403655630403, 206380232083602, 666150525051666
Offset: 1
Programs
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Mathematica
Select[Range[0,26*10^6]^2+2,PalindromeQ] (* Harvey P. Dale, Sep 01 2024 *)