6081075

Appears in sequences

• Denominators in the Taylor series for tan(x).at n=6A036279
• Denominators of Taylor series for tan(x + Pi/4).at n=13A046983
• Largest odd divisor of n!.at n=13A049606
• Denominators of the coefficients in exp(2x/(1-x)) power series.at n=12A067655
• a(n) = gcd(n!!, (n-1)!!) where n!! = A006882.at n=26A095987
• a(n) = gcd(n!!, (n-1)!!) where n!! = A006882.at n=27A095987
• Denominators of the coefficients in the Taylor expansion of sec(x) + tan(x) around x=0.at n=13A099617
• a(0)=1, a(n) = largest divisor of n! that is coprime to a(n-1).at n=13A135354
• a(n) = denominator(2^(2*n-2)/factorial(2*n-1)).at n=6A156769
• Denominator of Laguerre(n, -4).at n=13A160612
• Denominator of Laguerre(n, 2).at n=13A160624
• Denominator of Laguerre(n, 8).at n=13A160639
• a(n) = denominator of the coefficient c(n) of x^n in (tan x)/Product_{k=1..n-1} 1 + c(k)*x^k, n = 1, 2, 3, ...at n=12A170919
• Denominator of (4^n*(4^n-1)/2)*B_{2n}/(2n)!, B_{n} Bernoulli number.at n=7A181993
• Denominator of l(n), where l(1)=1, l(2)=2, l(n)=l(n-1)+2*l(n-2)/n.at n=12A209430
• T(n,m), denominators of coefficients in a power/Fourier series expansion of the plane pendulum's exact differential time dependence.at n=15A274078
• Denominators of coefficients in asymptotic expansion of M_n (number of monolithic chord diagrams, A280775).at n=13A280779
• Let S(k) be the subsequence of multiples of k from k*positive integers where each element of S(k) sets a new record of divisors in that sequence. Then f(k) is the first element from S(k)/k that is not a power of 2. Sequence lists records for f(k).at n=10A352797
• Indices at which A358777 attains a new value.at n=35A359608
• Odd numbers k such that A380845(k) > 2*k.at n=10A380932