99651

Appears in sequences

• a(n) = T(n, 2n-3), T given by A027023.at n=11A027027
• a(n) = greatest number in row n of array T given by A027023.at n=13A027039
• 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, 0, 1), (1, -1, 1), (1, 1, -1)}.at n=11A148377
• G.f.: 1 = Sum_{n>=0} a(n) * x^n / (1 + x*(1+x)^n)^(n+1).at n=9A337849