4272943

Properties

Appears in sequences

• Numerators of convergents to Pi.at n=12A002485
• 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=11A046947
• Numbers k such that sec(k) decreases monotonically to 1 (or cos(k) increases to 1).at n=11A046955
• Primes found among the numerators of the continued fraction rational approximations to Pi.at n=3A086785
• a(1) = 1, and for each n >= 2, a(n) is the smallest number such that 1/sin(a(n)) < 1/sin(a(k)) for all k < n, so that 1/sin(a(1)) > 1/sin(a(2)) > ... > 1/sin(a(n)) > ...at n=11A172451
• Primes in either the numerator or denominator of continued fraction convergents to Pi.at n=6A224936
• Integers in the interval [Pi*k - 1/k, Pi*k + 1/k] for some k > 0.at n=34A265735
• 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=6A341047
• a(n) is the numerator of the rational number with the smallest denominator that lies within 1/10^n of Pi.at n=12A360366
• Intersection of A002485 and A360366.at n=7A360369
• 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=8A362602
• Prime numbersat n=301086