1419858

Appears in sequences

• sigma_5(n), the sum of the 5th powers of the divisors of n.at n=16A001160
• a(n) = n^5 + 1.at n=18A002561
• Numerator of sum of -5th powers of divisors of n.at n=16A017673
• Sum of fifth powers of unitary divisors.at n=16A034679
• Sum of 5th powers of odd divisors of n.at n=16A051002
• Sum of 5th powers of odd divisors of n.at n=33A051002
• Sum of two powers of 17.at n=15A073213
• Sum of 5th powers of the divisors of odd numbers: a(n) = sigma_5(2n-1).at n=8A081864
• a(n) = Sum_{0<d|n, n/d odd} d^5.at n=16A096960
• a(0)=0, a(1)=1, a(2n)=17*a(n), a(2n+1)=a(2n)+1.at n=33A197351
• a(n) = 1 + 17^n.at n=5A224384
• a(n) = Sum_{d|n} (-1)^(n/d+1)*d^5.at n=16A284926
• Expansion of eta(q^2)^12 * eta(q^4)^8 / eta(q)^8 in powers of q.at n=34A286399
• a(n) = Sum_{d|n} (-1)^(d-1)*d^5.at n=16A321544
• a(n) = Sum_{d divides n} (-1)^(d + n/d) * d^5.at n=16A321561
• a(n) = Sum_{d|n, d==1 mod 4} d^5 - Sum_{d|n, d==3 mod 4} d^5.at n=16A321821
• a(n) = Sum_{d|n, n/d==1 mod 4} d^5 - Sum_{d|n, n/d==3 mod 4} d^5.at n=16A321829
• a(n) is the least positive multiple of 2*n-1 containing only the digits 0 and 1 in base n.at n=16A337623
• Sum of the 5th powers of the squarefree divisors of n.at n=16A351268
• a(n) = n^5 * Product_{p|n, p prime} (1 + 1/p^5).at n=16A351300