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 A089062 A nonsense sequence. 0
 1, 0, 1, -1, 1, -1, 0, -2, -1, -1, -2, 0, -2, 0, -1, 1, 0, 0, 1, -1, 1, -1, 0, -2, -1, -1, -2, 0, -2, 0, -1, 1, 0, 0, 1, -1, 1, -1, 0, -2, -1, -1, -2, 0, -2, 0, -1, 1, 0, 0, 1, -1, 1, -1, 0, -2, -1, -1, -2, 0, -2, 0, -1, 1, 0, 0, 1, -1, 1, -1, 0, -2, -1, -1, -2, -1, -2, 0, -1, 1, 0, 0, 1, 0, 1, -1, 0, -2, -1, -1, -2, -1, -2, 0, -1, 1, 0, 1, 1, 1, 1, 0, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,8 LINKS Table of n, a(n) for n=1..103. MATHEMATICA (* Adamson's matrix functions alternating golden mean and minimal Pisot*) digits = 20 NSolve[x^3 - x - 1 == 0, x] k = -1.32471795724474605 q = k - 1/k m0 = {{0, 1}, {1, q}} NSolve[x^2 - x - 1 == 0, x] k1 = 1.6180339887498949 q1 = k1 - 1/k1 m1 = {{0, 1}, {1, q1}} m[n_Integer?Positive] := If[Mod[n, 2] == 0, m[n - 1].m0, m[n - 1].m1] m[0] = {{1, 0}, {0, 1}} a = Table[Floor[m[n][[2, 2]]], {n, 1, digits}] CROSSREFS Sequence in context: A117209 A035192 A229653 * A282634 A039980 A373572 Adjacent sequences: A089059 A089060 A089061 * A089063 A089064 A089065 KEYWORD sign,uned,obsc,less AUTHOR Roger L. Bagula, Dec 02 2003 STATUS approved

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Last modified August 10 09:30 EDT 2024. Contains 375044 sequences. (Running on oeis4.)