A120029 Decimal expansion of the value of Minkowski's question mark function at Levy's constant (Exp[Pi^2/(12*Log[2])], A086702).

3, 1, 6, 4, 0, 6, 2, 4, 9, 9, 9, 9, 2, 7, 2, 4, 0, 4, 2, 3, 8, 5, 8, 1, 6, 5, 7, 4, 0, 9, 6, 6, 7, 9, 6, 8, 7, 4, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 3, 2, 6, 6, 6, 4, 0, 8, 4, 0, 0, 2, 7, 1, 0, 9, 3, 8, 0, 5, 8, 0, 2, 1, 0, 6, 6, 1, 4, 9, 6, 1, 8, 0, 7, 9, 6, 6, 8, 9, 9, 1, 2, 2, 2, 3, 7, 4

Offset

1,1

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=1..100.

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

Example

3.164062499992724042385816574096679687499999999999997...

Mathematica

RealDigits[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]}], 10, 100]

Crossrefs

Cf. A120028.

Sequence in context: A368376 A126191 A070883 * A201904 A133110 A286158

Adjacent sequences: A120026 A120027 A120028 * A120030 A120031 A120032

Keyword

cons,nonn

Author

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

Status

approved