6701487259
domain: N
Appears in sequences
- Apart from two leading terms (which are present by convention), denominators of convergents to Pi (A002485 and A046947 give numerators).at n=22A002486
- Denominator of best approximation to Pi with denominator <= 10^n.at n=10A072399
- Denominator of best approximation to Pi with denominator <= 10^n.at n=11A072399
- Greedy frac multiples of Pi: a(1)=1, Sum_{n>=1} frac(a(n)*Pi) = 1.at n=15A079938
- Values of n where A022844(n) = floor(n*Pi) differs from A120701(n) = floor(Pi/arcsin(1/n)).at n=5A120702
- Denominators of convergents to 2*Pi.at n=18A242859
- Denominators of the other-side convergents to Pi.at n=19A259590
- Denominators 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=32A325159
- a(n) is the smallest k such that the fractional part of the decimal expansion of k*Pi begins with n zeros.at n=10A341046
- a(n) is the smallest k such that the fractional part of the decimal expansion of k*Pi begins with n zeros.at n=11A341046
- Denominators of approximations j/k for Pi such that abs(j/k - Pi)*sqrt(5)*k^2 < 1.at n=24A346534
- a(n) is the denominator of the rational number with the smallest denominator that lies within 1/10^n of Pi.at n=20A360367
- a(n) is the denominator of the rational number with the smallest denominator that lies within 1/10^n of Pi.at n=21A360367
- Intersection of A002486 and A360367.at n=14A360370