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 A316605 Decimal expansion of the fifth smallest known Salem number. 5
 1, 2, 1, 6, 3, 9, 1, 6, 6, 1, 1, 3, 8, 2, 6, 5, 0, 9, 1, 6, 2, 6, 8, 0, 6, 3, 1, 1, 1, 9, 9, 4, 6, 3, 3, 2, 7, 7, 2, 2, 2, 5, 3, 6, 0, 6, 5, 7, 0, 5, 7, 0, 7, 5, 7, 5, 6, 0, 4, 2, 7, 0, 6, 5, 8, 3, 8, 3, 1, 2, 1, 2, 9, 4, 6, 1, 8, 4, 9, 5, 9, 4, 4, 2, 6, 3, 7, 9, 6, 6, 6, 7, 0, 9, 5, 4, 3, 9, 5, 4, 2, 8 (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 FORMULA p = 1 - x^4 - x^5 - x^6 + x^10. EXAMPLE 1.21639166113826509162680631119946332772225360657057075756042706583831... MATHEMATICA c1 = {1, 0, 0, 0, -1, -1}; c2 = Join[c1, Reverse[Most[c1]]]; p = (x^Range[0, Length[c2] - 1]).c2; sigma5 = Root[p, x, 2]; RealDigits[sigma5, 10, 102][[1]] CROSSREFS Cf. A073011 (sigma1), A219300 (sigma2), A306078 (sigma3), A306079 (sigma4), A316606 (sigma6), A316607 (sigma7), A316608 (sigma8), A316609 (sigma9), A316610 (sigma10). Sequence in context: A124441 A284475 A285355 * A307178 A026191 A050137 Adjacent sequences:  A316602 A316603 A316604 * A316606 A316607 A316608 KEYWORD nonn,cons AUTHOR Jean-François Alcover, Jul 08 2018 STATUS approved

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Last modified May 26 22:57 EDT 2019. Contains 323597 sequences. (Running on oeis4.)