2549491779
domain: N
Appears in sequences
- Numerators of convergents to Pi.at n=19A002485
- Numbers k where the fractional part of tan(k) decreases monotonically to 0.at n=14A016274
- Sin(n) decreases monotonically to 0.at n=22A046946
- 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=18A046947
- Numbers k such that sec(k) decreases monotonically to 1 (or cos(k) increases to 1).at n=16A046955
- Numbers k where tan(k) decreases monotonically to 0 (or cot(k) increases).at n=17A046956
- Numerator of best approximation to Pi with denominator <= 10^n.at n=9A072398
- Numerators of convergents to Pi/2.at n=17A096456
- Numerators of successive rational approximations converging to 2*Pi from above for n >= 1, with a(-1) = 0 and a(0) = 1.at n=19A298737
- 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=29A325158
- a(n) is the numerator of the rational number with the smallest denominator that lies within 1/10^n of Pi.at n=18A360366
- Intersection of A002485 and A360366.at n=12A360369
- Integers in the interval [Pi*k - 1/k, Pi*k + 1/k] for some k > 0 that are numerators of convergents to 2*Pi.at n=12A362602
- Indices of records of the sequence abs((cos n)^n) starting from n = 1.at n=7A382564