170211

Appears in sequences

• Numerators of continued fraction convergents to sqrt(611).at n=12A042172
• G.f. A(x) satisfies: 1+x = Sum_{n>=0} C(2^n,n) * x^n / A(x)^(2^n).at n=5A136584
• 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, -1, 1), (-1, 0, -1), (0, -1, -1), (1, 1, 0)}.at n=12A148526