21053343141
domain: N
Appears in sequences
- Numerators of convergents to Pi.at n=22A002485
- Sin(n) decreases monotonically to 0.at n=25A046946
- Numbers k such that |sin(k)| (or |tan(k)| or |sec(k)|) decreases monotonically to 0; also |cos(k)| (or |cosec(k)| or |cot(k)|) increases.at n=21A046947
- Cos(a(n)) decreases monotonically to -1.at n=18A046965
- Numerator of best approximation to Pi with denominator <= 10^n.at n=10A072398
- Numerator of best approximation to Pi with denominator <= 10^n.at n=11A072398
- Numerators of convergents to Pi/2.at n=20A096456
- Numerators of the other-side convergents to Pi.at n=19A259591
- Numerators of convergents to Pi using best rational approximation whose denominator is between consecutive powers of 2: [2^n, 2^(n+1)-1], where n = 0, 1, 2, ...at n=32A325158
- Numbers k for which csc(k) > k.at n=10A337249
- Integers k with abs(sin(k)) < 1/k.at n=18A337371
- a(n) is the integer part of the smallest multiple of Pi whose fractional part begins with n 0's after the decimal point.at n=10A341047
- a(n) is the integer part of the smallest multiple of Pi whose fractional part begins with n 0's after the decimal point.at n=11A341047
- a(n) is the numerator of the rational number with the smallest denominator that lies within 1/10^n of Pi.at n=20A360366
- a(n) is the numerator of the rational number with the smallest denominator that lies within 1/10^n of Pi.at n=21A360366
- Intersection of A002485 and A360366.at n=14A360369
- Indices of records of the sequence abs((cos n)^n) starting from n = 1.at n=9A382564