1447352

Appears in sequences

• Number of permutations of 1..n for which the partial sums of signed displacements do not exceed 2.at n=19A214663
• Number of Weyl group elements, not containing an s_r factor, which contribute nonzero terms to Kostant's weight multiplicity formula when computing the multiplicity of the zero-weight in the adjoint representation for the Lie algebra of type C and rank n.at n=20A232164