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A162710
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Palindromes that are the sum of two positive cubes.
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2
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2, 9, 686, 737, 1001, 2662, 6886, 8008, 9009, 19691, 29792, 30303, 31213, 31913, 40304, 46664, 48384, 61516, 76167, 90809, 97679, 118811, 121121, 343343, 373373, 737737, 787787, 953359, 1000001, 1031301, 1038301, 1332331, 1368631, 1465641, 1727271
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OFFSET
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1,1
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COMMENTS
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10^(3m)+1 and 8*10^(3m)+8 are terms for all integers m > 0. - Chai Wah Wu, Dec 20 2015
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LINKS
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EXAMPLE
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686 = 7^3 + 7^3. 737 = 2^3 + 9^3.
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MATHEMATICA
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Select[Plus@@@Tuples[Range[500]^3, 2], #==FromDigits[Reverse[IntegerDigits[ # ]]]&]//Union (* Harvey P. Dale, Aug 04 2009 *)
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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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EXTENSIONS
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STATUS
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approved
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