

A103474


Numerators of the raw moments of the distribution of areas for triangles picked at random in a triangle of unit area.


3



1, 1, 1, 31, 1, 1063, 403, 211, 13, 2593, 697, 5412109, 665921, 77279, 32939, 589936987, 3075829, 77702459911, 1402074523, 3459515, 2802641, 2712400121, 10170076061, 4779350269801, 339859110917, 3851369495951
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OFFSET

1,4


LINKS

Table of n, a(n) for n=1..26.
Eric Weisstein's World of Mathematics, Triangle Triangle Picking


EXAMPLE

1/12, 1/144, 31/9000, 1/450, 1063/617400, 403/264600, ...


CROSSREFS

Cf. A103475.
Cf. A130117, A130118.
Sequence in context: A239633 A174692 A172302 * A047687 A040953 A040952
Adjacent sequences: A103471 A103472 A103473 * A103475 A103476 A103477


KEYWORD

nonn,frac


AUTHOR

Eric W. Weisstein, Feb 07 2005, May 09 2007


STATUS

approved



