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A062697
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Palindromes > 10 that are the sum of two distinct smaller palindromes.
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0
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11, 33, 44, 55, 66, 77, 88, 99, 101, 121, 202, 212, 222, 232, 242, 252, 262, 272, 282, 292, 303, 313, 323, 333, 343, 353, 363, 373, 383, 393, 404, 414, 424, 434, 444, 454, 464, 474, 484, 494, 505, 515, 525, 535, 545, 555, 565, 575, 585, 595, 606, 616, 626
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OFFSET
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1,1
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COMMENTS
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Includes every palindrome > 22 whose first digit is not 1. - Robert Israel, Mar 17 2015
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LINKS
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EXAMPLE
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202 = 191 + 11 and all are palindromes.
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MATHEMATICA
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With[{pals=Select[Range[1000], IntegerDigits[#]==Reverse[ IntegerDigits[ #]]&]}, Select[ Union[Select[Total/@Subsets[pals, {2}], IntegerDigits[#] == Reverse[IntegerDigits[#]]&]], #>9&]] (* Harvey P. Dale, Mar 16 2015 *)
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CROSSREFS
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KEYWORD
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base,easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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