76670

Appears in sequences

• Denominator of (2n+1) B_{2n}, where B_n are the Bernoulli numbers.at n=40A006955
• a(0) = 1, a(n) = (denominator of the Bernoulli number B_{2n})/3, for n>=1.at n=40A277087
• Reduced Clausen numbers.at n=5A325147