792216

Appears in sequences

• 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, -1, 1), (-1, 1, -1), (-1, 1, 1), (1, -1, -1), (1, 0, 0)}.at n=13A148266
• A triangle of polynomial coefficients: q(x,n)=(-1)^(n + 1)*(x - 1)^(3*n + 1)*Sum[(Binomial[m, n]* Binomial[m + 1, n + 1]/(m - n + 1))*(2*m + 1)^n*x^ m, {m, 0, Infinity}]/(x^n); p(x,n)=q(x,n)+x^n*q(1/x,n).at n=15A155948
• A triangle of polynomial coefficients: q(x,n)=(-1)^(n + 1)*(x - 1)^(3*n + 1)*Sum[(Binomial[m, n]* Binomial[m + 1, n + 1]/(m - n + 1))*(2*m + 1)^n*x^ m, {m, 0, Infinity}]/(x^n); p(x,n)=q(x,n)+x^n*q(1/x,n).at n=18A155948