1725033

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=13A002486
• Denominator of best approximation to Pi with denominator <= 10^n.at n=7A072399
• Denominators of convergents to 2*Pi.at n=11A242859
• Denominators of the other-side convergents to Pi.at n=10A259590
• Numbers k such that there exists at least one integer in the interval [Pi*k - 1/k, Pi*k + 1/k].at n=34A265739
• Denominators of successive rational approximations converging to 2*Pi from above for n >= 1, with a(-1) = -1 and a(0) = 0.at n=13A299923
• 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=20A325159
• Minimal denominator among the fractions with n-digit numerator and n-digit denominator that best approximate Pi.at n=6A327361
• Numbers k such that ceiling(Pi/arctan(1/k)) = ceiling(k*Pi)+1.at n=26A332045
• Denominators of approximations j/k for Pi such that abs(j/k - Pi)*sqrt(5)*k^2 < 1.at n=17A346534
• a(n) is the denominator of the rational number with the smallest denominator that lies within 1/10^n of Pi.at n=13A360367
• Intersection of A002486 and A360367.at n=8A360370