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A306078 Decimal expansion of the third smallest known Salem number. 7
1, 2, 0, 0, 0, 2, 6, 5, 2, 3, 9, 8, 7, 3, 9, 1, 5, 1, 8, 9, 0, 2, 9, 6, 2, 1, 0, 0, 4, 1, 4, 6, 0, 1, 5, 6, 7, 2, 4, 0, 6, 1, 8, 1, 5, 1, 9, 9, 9, 8, 5, 1, 0, 6, 7, 9, 2, 4, 3, 9, 9, 8, 3, 9, 8, 8, 6, 0, 7, 3, 1, 1, 3, 4, 4, 2, 5, 2, 4, 0, 9, 6, 4, 4, 2, 4, 6, 1, 7, 2, 7, 8, 8, 4, 9, 6, 9, 9, 1, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..100.

M. J. Mossinghoff, Small Salem Numbers

Eric Weisstein's MathWorld, Salem Constants.

Wikipedia, Salem number

EXAMPLE

1.200026523987391518902962100414601567240618151999851067924399839886...

MATHEMATICA

c1 = {1, 0, 0, -1, -1, 0, 0, 1};

c2 = Join[c1, Reverse[Most[c1]]];

p = (x^Range[0, Length[c2]-1]). c2;

sigma3 = Root[p, x, 2];

RealDigits[sigma3, 10, 100][[1]]

CROSSREFS

Cf. A073011 (sigma1), A219300 (sigma2), A306079 (sigma4).

Sequence in context: A059286 A076998 A173956 * A284273 A083927 A154724

Adjacent sequences:  A306075 A306076 A306077 * A306079 A306080 A306081

KEYWORD

nonn,cons

AUTHOR

Jean-Fran├žois Alcover, Jun 19 2018

STATUS

approved

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Last modified May 21 01:01 EDT 2019. Contains 323429 sequences. (Running on oeis4.)