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 A306079 Decimal expansion of the fourth smallest known Salem number. 7
 1, 2, 0, 2, 6, 1, 6, 7, 4, 3, 6, 8, 8, 6, 0, 4, 2, 6, 1, 1, 1, 8, 2, 9, 5, 4, 1, 5, 9, 4, 8, 6, 1, 9, 0, 4, 5, 3, 4, 3, 9, 4, 9, 8, 3, 4, 9, 6, 9, 5, 2, 3, 0, 4, 3, 6, 8, 5, 3, 0, 9, 5, 7, 6, 7, 2, 6, 4, 5, 4, 0, 6, 5, 8, 7, 6, 3, 6, 5, 5, 5, 3, 7, 7, 2, 6, 7, 1, 0, 8, 0, 0, 5, 5, 1, 8, 2, 6, 5, 7, 6, 7 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS M. J. Mossinghoff, Small Salem Numbers Eric Weisstein's MathWorld, Salem Constants. Wikipedia, Salem number EXAMPLE 1.20261674368860426111829541594861904534394983496952304368530957672645... MATHEMATICA c1 = {1, 0, -1, 0, 0, 0, 0, -1}; c2 = Join[c1, Reverse[Most[c1]]]; p = (x^Range[0, Length[c2]-1]).c2; sigma4 = Root[p, x, 2]; RealDigits[sigma4, 10, 102][[1]] CROSSREFS Cf. A073011 (sigma1), A219300 (sigma2), A306078 (sigma3). Sequence in context: A208385 A186634 A139213 * A242860 A320239 A033727 Adjacent sequences:  A306076 A306077 A306078 * A306080 A306081 A306082 KEYWORD nonn,cons AUTHOR Jean-François Alcover, Jun 19 2018 STATUS approved

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Last modified May 19 03:16 EDT 2019. Contains 323377 sequences. (Running on oeis4.)