61203943

Appears in sequences

• Numerator of Bernoulli(2n,1/3).at n=6A033470
• Numerator of Euler(n,1/3).at n=11A156179
• Numerator of Bernoulli(n, 1/3).at n=12A157799
• a(n) = (-1)^(n + 1)*3^(2*n + 1)*Euler(2*n + 1, 1/3)*2^(valuation_{2}(2*(n + 1))), the Steinhaus-Euler sequence S_{3}(n).at n=5A339057