573204
domain: N
Appears in sequences
- a(n) = least k such that tan(k) < tan(a(n-1)), for n >= 1, with a(0) = 0.at n=6A024815
- Least positive integer multiples of angle x such that their direction cosines form a unit vector: Sum_{k>0} cos(a(k)*x)^2 = 1, where a(1)=1 and x=1.at n=27A080136
- Least positive integer multiples of angle x such that their direction cosines form a unit vector: Sum_{k>0} cos(a(k)*x)^2 = 1, where a(1)=1 and x=3.at n=22A080138
- Least positive integer multiples of angle x such that their direction cosines form a unit vector: Sum_{k>0} cos(a(k)*x)^2 = 1, where a(1)=1, a(n+1)>a(n) and x=3-Pi/2.at n=36A080139
- Numerators of convergents to Pi/2.at n=9A096456
- (Numerator of n-th convergent to Pi having an even numerator)/2.at n=2A102367
- a(n) is the n-digit integer m that maximizes sin(m).at n=5A308879
- a(n) is the smallest integer k > 0 such that 10^(-n-1) < |sin(k) - round(sin(k))| < 10^(-n).at n=13A346033
- Positive numbers k such that abs((sin k)^k) sets a new record.at n=6A382815
- Positive numbers k such that (sin k)^k sets a new record.at n=15A383540
- Numbers k such that sin(k) > 1 - 1/k^2.at n=6A389816