319865

Appears in sequences

• Denominator of Bernoulli(2n+2) - Bernoulli(2n).at n=17A029763
• Denominator of Bernoulli(2n+2) - Bernoulli(2n).at n=18A029763
• Denominators of column 3 of table described in A051714/A051715.at n=33A051721
• Reduced denominators of the coefficients in a series expansion for Gamma[x].at n=35A054380
• Numbers k such that phi(k)/lambda(k) increases to a record value, where phi(k) is the Euler totient function (A000010) and lambda(k) is the Carmichael lambda function (A002322).at n=30A066605
• a(0)=1, a(n)=A002445(n)/6 for n>=1.at n=18A177735
• Denominator of 2*n*(2*n+1) B_{2*n}, where B_n are the Bernoulli numbers.at n=36A290534
• Denominator of 2*n*(2*n+1) B_{2*n}, where B_n are the Bernoulli numbers.at n=54A290534
• Numerator of an upper bound for the maximal element in phi^(-1)(n).at n=35A316785
• a(n) = Denominator(-4*n^2*Zeta(1 - n)^2*(1 - 2^n)) for n >= 1, a(0) = 1.at n=36A335265
• a(n) = A110936(n)/6 for n >= 3.at n=18A366923
• a(n) = A110936(n)/6 for n >= 3.at n=26A366923