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A086232 Decimal expansion of probability that a random walk on a 4-d lattice returns to the origin. 5
1, 9, 3, 2, 0, 1, 6, 7, 3, 2, 2, 4, 9, 8, 3, 9, 3, 7, 3, 4, 1, 8, 7, 0, 9, 7, 3, 3, 2, 9, 3, 6, 9, 1, 6, 0, 5, 7, 5, 8, 7, 3, 3, 8, 6, 4, 5, 0, 1, 3, 9, 5 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

0.1932016...

LINKS

Table of n, a(n) for n=0..51.

Eric Weisstein's World of Mathematics, Polyas Random Walk Constants

MATHEMATICA

First[RealDigits[1 - 1/NIntegrate[BesselI[0, t/4]^4 * Exp[ -t], {t, 0, Infinity}, PrecisionGoal->50, WorkingPrecision->350]]] (Propper)

CROSSREFS

Sequence in context: A188887 A250091 A199152 * A133867 A210113 A195704

Adjacent sequences:  A086229 A086230 A086231 * A086233 A086234 A086235

KEYWORD

nonn,cons

AUTHOR

Eric W. Weisstein, Jul 12, 2003

EXTENSIONS

More terms from Ryan Propper, Jul 12 2005

STATUS

approved

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Last modified November 24 12:07 EST 2014. Contains 249898 sequences.