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 A316607 Decimal expansion of the seventh smallest known Salem number. 5
 1, 2, 3, 0, 3, 9, 1, 4, 3, 4, 4, 0, 7, 2, 2, 4, 7, 0, 2, 7, 9, 0, 1, 7, 7, 9, 3, 8, 9, 7, 5, 2, 7, 9, 0, 1, 7, 5, 6, 6, 5, 7, 4, 4, 8, 9, 6, 6, 1, 7, 5, 6, 2, 4, 1, 4, 0, 1, 9, 1, 4, 2, 3, 6, 1, 7, 2, 8, 1, 3, 4, 4, 7, 8, 5, 3, 5, 4, 5, 4, 1, 6, 7, 3, 5, 9, 8, 4, 6, 5, 1, 6, 6, 2, 4, 0, 8, 5, 2, 8, 5, 6 (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^3 - x^5 - x^7 + x^10. EXAMPLE 1.2303914344072247027901779389752790175665744896617562414019142361728... MATHEMATICA c1 = {1, 0, 0, -1, 0, -1}; c2 = Join[c1, Reverse[Most[c1]]]; p = (x^Range[0, Length[c2] - 1]).c2; sigma7 = Root[p, x, 2]; RealDigits[sigma7, 10, 102][[1]] CROSSREFS Cf. A073011 (sigma1), A219300 (sigma2), A306078 (sigma3 ), A306079 (sigma4), A316605 (sigma5), A316606 (sigma6), A316608 (sigma8), A316609 (sigma9), A316610 (sigma10). Sequence in context: A035549 A245255 A180188 * A194365 A216217 A253283 Adjacent sequences:  A316604 A316605 A316606 * A316608 A316609 A316610 KEYWORD nonn,cons AUTHOR Jean-François Alcover, Jul 08 2018 STATUS approved

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Last modified April 23 22:41 EDT 2019. Contains 322389 sequences. (Running on oeis4.)