A358237 - OEIS

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A358237

Palindromes of the form k^2 + 2.

1

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

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..29.

MATHEMATICA

Select[Range[0, 26*10^6]^2+2, PalindromeQ] (* Harvey P. Dale, Sep 01 2024 *)

CROSSREFS

Cf. A059100, A358207, A070254, A002779.

Sequence in context: A102021 A350911 A144641 * A294720 A082002 A369899

Adjacent sequences: A358234 A358235 A358236 * A358238 A358239 A358240

KEYWORD

nonn,base

AUTHOR

Robert Xiao, Nov 04 2022

STATUS

approved