161294

Appears in sequences

• Numbers that are sums of fifth powers of two distinct primes.at n=7A130292
• A triangle of polynomial coefficients: q(x,n)=(-1)^(n + 1)*(x - 1)^(3*n + 1)*Sum[(Binomial[m, n]* Binomial[m + 1, n + 1]/(m - n + 1))*(2*m + 1)^n*x^ m, {m, 0, Infinity}]/(x^n); p(x,n)=q(x,n)+x^n*q(1/x,n).at n=21A155948
• A triangle of polynomial coefficients: q(x,n)=(-1)^(n + 1)*(x - 1)^(3*n + 1)*Sum[(Binomial[m, n]* Binomial[m + 1, n + 1]/(m - n + 1))*(2*m + 1)^n*x^ m, {m, 0, Infinity}]/(x^n); p(x,n)=q(x,n)+x^n*q(1/x,n).at n=30A155948
• Numbers that are sums of two coprime positive fifth powers.at n=34A228542
• Sum of the 5th powers of primes dividing n.at n=32A351193
• a(n) = n^5 * Sum_{p|n, p prime} 1/p^5.at n=32A351245
• a(n) = Sum_{d|n} (2*d+1)^n.at n=4A367509