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A171702
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The first number that is (at least) n-fold intrinsically 3-palindromic (represented in base ten).
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25
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5, 26, 121, 300, 1009, 1477, 4591, 15049, 35101, 35101, 83161, 176401, 291721, 291721, 720721, 1081081, 1496881, 2106721, 3341521, 3341521, 5654881, 7207201, 8648641, 10810801, 13693681, 15135121, 21621601, 28274401, 28274401, 41081041, 41081041, 41081041
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(1)=5 is 101 in base 2.
a(2)=26 is 222 in base 3 and 101 in base 5.
a(3)=121 is 232 in base 7 and 171 in base 8.
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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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