60128

Appears in sequences

• Numbers n such that S(n) = 0, where S(n) = (S(n-1) + A000040(n+1))*(-1)^n; S(0)=0, n >= 1.at n=21A131693
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, 0), (1, -1), (1, 0), (1, 1)}.at n=9A151291
• Expansion of 1/sqrt(1 - 4*x/(1 - x^3)^2).at n=9A376811