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A228777
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Decimal expansion of the third smallest Pisot-Vijayaraghavan number.
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9
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1, 4, 4, 3, 2, 6, 8, 7, 9, 1, 2, 7, 0, 3, 7, 3, 1, 0, 7, 6, 2, 8, 1, 2, 7, 6, 0, 7, 3, 8, 6, 9, 1, 1, 6, 0, 4, 6, 7, 6, 0, 1, 1, 9, 6, 6, 6, 5, 4, 5, 7, 1, 5, 9, 8, 4, 0, 9, 2, 3, 3, 7, 9, 3, 6, 2, 3, 7, 8, 4, 8, 3, 7, 8, 7, 4, 1, 8, 9, 0, 5, 0, 0, 3, 7, 5, 9, 0, 0, 7
(list;
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graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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FORMULA
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A root of x^5-x^4-x^3+x^2-1.
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EXAMPLE
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1.443268791270373107628127607386...
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MAPLE
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fsolve(x^5-x^4-x^3+x^2-1, x, 1.4..1.5) ;
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MATHEMATICA
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Root[Function[x, x^5-x^4-x^3+x^2-1], 1] // RealDigits[#, 10, 90]& // First (* Jean-François Alcover, Feb 20 2014 *)
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PROG
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(PARI) default(realprecision, 20080); x=solve(x=1, 2, x^5 - x^4 - x^3 + x^2 - 1); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b228777.txt", n, " ", d)); \\ Iain Fox, Oct 23 2017
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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