340262731
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=18A002486
- Numbers k such that (Pi/2)*k^2*sin(1/k) < floor(Pi*k/2).at n=1A053431
- Greedy frac multiples of Pi: a(1)=1, Sum_{n>=1} frac(a(n)*Pi) = 1.at n=13A079938
- Denominators of convergents to Pi/2.at n=15A096463
- Values of n where A022844(n) = floor(n*Pi) differs from A120701(n) = floor(Pi/arcsin(1/n)).at n=3A120702
- Denominators of convergents to 2*Pi.at n=14A242859
- 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=28A325159
- Denominators of approximations j/k for Pi such that abs(j/k - Pi)*sqrt(5)*k^2 < 1.at n=21A346534
- a(n) is the denominator of the rational number with the smallest denominator that lies within 1/10^n of Pi.at n=17A360367
- Intersection of A002486 and A360367.at n=11A360370