31637

Appears in sequences

• E.g.f. tan(x)*tan(sin(x))/2, even powers only.at n=5A024271
• Monotonic subsequence of A051169.at n=13A051610
• a(n) = floor(sqrt(phi(10^n)*sigma(10^n) + 10^(3*n))).at n=3A065552
• Eight bishops and one elephant on a 3 X 3 chessboard: a(n) = 2^(n+2)-3*F(n+1), with F(n) = A000045(n).at n=13A175661
• Numbers k such that A240718(k) = 0.at n=75A307818
• Numbers k that are the maximum of integers |k2|, |k3|, |k5| with |k2| + |k3| + |k5| > 0, and |k2*sqrt(2) + k3*sqrt(3) + k5*sqrt(5)| is smaller than for any smaller value of k.at n=16A379919