

A093581


Numerators of odd moments in the distribution of chord lengths for picked at random on the circumference of a unit circle.


2



4, 32, 512, 4096, 131072, 1048576, 16777216, 134217728, 8589934592, 68719476736, 1099511627776, 8796093022208, 281474976710656, 2251799813685248, 36028797018963968, 288230376151711744
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


COMMENTS

Presumably this is the same as A102557?  Andrew S. Plewe, Apr 18 2007


LINKS

Table of n, a(n) for n=1..16.
Eric Weisstein's World of Mathematics, Circle Line Picking


FORMULA

Equals 4*A061549.


EXAMPLE

1, 4/Pi, 2, 32/(3*Pi), 6, 512/(15*Pi), 20, 4096/(35*Pi), ...


CROSSREFS

Cf. A000984, A001803, A061549.
Denominators are A001803*Pi.
Sequence in context: A034663 A192501 A192487 * A102557 A144935 A153511
Adjacent sequences: A093578 A093579 A093580 * A093582 A093583 A093584


KEYWORD

nonn,frac


AUTHOR

Eric W. Weisstein, Apr 01 2004


STATUS

approved



