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A263612
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Palindromes in base 5 which are also squares.
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3
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0, 1, 4, 121, 10201, 12321, 114411, 1002001, 1234321, 100020001, 102030201, 121242121, 131141131, 10000200001, 10221412201, 12102420121, 131441144131, 1000002000001, 1002003002001, 1020304030201, 1143442443411, 1210024200121, 4133144413314, 4342230322434, 13431400413431, 100000020000001
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OFFSET
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1,3
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COMMENTS
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LINKS
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MATHEMATICA
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FromDigits[IntegerDigits[#, 5]]&/@Select[Range[0, 100000]^2, IntegerDigits[ #, 5] == Reverse[ IntegerDigits[ #, 5]]&] (* Harvey P. Dale, Jan 10 2023 *)
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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