371305

Appears in sequences

• Engel expansion of Riemann zeta(5)=sum(i>0,1/i^5).at n=10A067913
• Duplicate of A067913.at n=10A083274
• a(0)=1, a(1)=1, a(n) = 13*a(n/2) for n=2,4,6,..., a(n) = 12*a((n-1)/2) + a((n+1)/2) for n=3,5,7,....at n=33A116524
• a(n) = n^5 + n - 1.at n=13A271208
• a(n) = Sum_{k=1..n} gcd(k, n)^5.at n=12A343499