139057

Appears in sequences

• A Motzkin transform of Jacobsthal numbers.at n=10A112657
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (1, -1, 0), (1, -1, 1), (1, 0, -1), (1, 1, 0)}.at n=10A149346
• Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.at n=22A192953
• Number of permutations of 1..n for which the partial sums of signed displacements do not exceed 2.at n=16A214663
• 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=17A232164