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A043039
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Palindromes that start with 4.
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1
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4, 44, 404, 414, 424, 434, 444, 454, 464, 474, 484, 494, 4004, 4114, 4224, 4334, 4444, 4554, 4664, 4774, 4884, 4994, 40004, 40104, 40204, 40304, 40404, 40504, 40604, 40704, 40804, 40904, 41014, 41114, 41214, 41314, 41414, 41514, 41614, 41714, 41814, 41914
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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palQ[n_Integer, base_Integer] := Module[{idn = IntegerDigits[n, base]}, idn == Reverse[idn]]; Select[Range[0, 100000], IntegerDigits[#][[1]] == 4 && palQ[#, 10] &] (* T. D. Noe, Mar 12 2013 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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