0,5

This is known to satisfy a linear recurrence relation with polynomial coefficients. The limit of a(n+1)/a(n) is 52.

Table of n, a(n) for n=0..20.

The n-th tensor power is the trivial representation for n=0 and is the adjoint representation for n=1. For n=2 every invariant tensor is a scalar multiple of a Killing form.

Sequence in context: A179663 A227292 A179683 * A286077 A286072 A002830

Adjacent sequences: A179682 A179683 A179684 * A179686 A179687 A179688

nonn

Bruce Westbury, Jul 24 2010

approved