93172

Appears in sequences

• Fourth row of Pascal-(1,2,1) array A081577.at n=13A081584
• 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, 0), (-1, 0, 1), (0, 1, 1), (1, -1, -1), (1, 1, -1)}.at n=10A148872
• a(n) = Sum_{k=0..n} 3^k * binomial(n,k) * binomial(3*n+1,k).at n=4A388049