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 A013679 Continued fraction for zeta(2) = Pi^2/6. 9
 1, 1, 1, 1, 4, 2, 4, 7, 1, 4, 2, 3, 4, 10, 1, 2, 1, 1, 1, 15, 1, 3, 6, 1, 1, 2, 1, 1, 1, 2, 2, 3, 1, 3, 1, 1, 5, 1, 2, 2, 1, 1, 6, 27, 20, 3, 97, 105, 1, 1, 1, 1, 1, 45, 2, 8, 19, 1, 4, 1, 1, 3, 1, 2, 1, 1, 1, 5, 1, 1, 2, 3, 6, 1, 1, 1, 2, 1, 5, 1, 1, 2, 9, 5, 3, 2, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 REFERENCES M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 811. David Wells, "The Penguin Dictionary of Curious and Interesting Numbers," Revised Edition, Penguin Books, London, England, 1997, page 23. LINKS T. D. Noe, Table of n, a(n) for n = 1..10000 M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy]. G. Xiao, Contfrac EXAMPLE 1.644934066848226436472415166... = 1 + 1/(1 + 1/(1 + 1/(1 + 1/(4 + ...)))) MATHEMATICA ContinuedFraction[ Pi^2/6, 100] PROG (PARI) { allocatemem(932245000); default(realprecision, 21000); x=contfrac(Pi^2/6); for (n=1, 20000, write("b013679.txt", n, " ", x[n])); } \\ Harry J. Smith, Apr 29 2009 CROSSREFS Cf. A013661. Sequence in context: A066978 A236187 A114566 * A096428 A091007 A180156 Adjacent sequences:  A013676 A013677 A013678 * A013680 A013681 A013682 KEYWORD nonn,cofr,nice,easy AUTHOR STATUS approved

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Last modified April 21 14:32 EDT 2021. Contains 343154 sequences. (Running on oeis4.)