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A048429
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Smallest numerator of a fraction using palindromes that approximates Pi to at least n digits after the decimal point.
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2
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22, 22, 666, 666, 1186811, 1633361, 7327237, 204656402, 971292179, 32418381423, 185295592581, 5760554550675, 6259909099526, 148967656769841, 2214599229954122, 48720094949002784, 281261635536162182, 5729095689865909275
(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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EXAMPLE
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a(4)=666 because the ratio of palindromes 666/212 = 3.1415... approximates Pi with four correct digits after the decimal point.
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CROSSREFS
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KEYWORD
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nonn,frac,more,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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