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A120028 Continued fraction expansion of the value of Minkowski's question mark function at Levy's constant (Exp[Pi^2/(12*Log[2])], A086702). 1
3, 6, 10, 2, 8388607, 1, 1, 10, 5, 1, 19802808501020211999048785114, 1, 5, 1, 5, 2, 2, 10, 4, 1, 142, 3, 1, 1, 1, 1, 1, 2, 13, 16, 1, 83, 2, 4, 1, 15, 1, 62, 1, 20, 1, 2, 1, 1, 1, 9, 1, 1, 1, 13, 2, 3, 1, 4, 1, 5, 1, 1, 1, 5, 7, 1, 27, 1, 2, 4, 3, 1, 3, 3, 1, 7, 2, 1, 1, 91, 11, 1, 2, 4, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

a[92] has over 150 decimal digits, making 750332738256083509758042341909438953923620244270237443771885409340366143805720089/2^267 an excellent approximation to the constant.

LINKS

Table of n, a(n) for n=0..80.

Index entries for Minkowski's question mark function

Index entries for sequences related to Minkowski's question mark function

MATHEMATICA

ContinuedFraction[cf = ContinuedFraction[Exp[Pi^2/(12*Log[2])], 50(*arbitrary precision*)]; IntegerPart[Exp[Pi^2/(12*Log[2])]] + Sum[(-1)^(k)/2^(Sum[cf[[i]], {i, 2, k}] - 1), {k, 2, Length[cf]}]]

CROSSREFS

Cf. A120029.

Sequence in context: A194047 A194035 A194049 * A232175 A065234 A082184

Adjacent sequences:  A120025 A120026 A120027 * A120029 A120030 A120031

KEYWORD

cofr,nonn

AUTHOR

Joseph Biberstine (jrbibers(AT)indiana.edu), Jun 04 2006

STATUS

approved

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Last modified November 22 00:32 EST 2019. Contains 329383 sequences. (Running on oeis4.)