1953126

Appears in sequences

• Numbers that are the sum of 2 positive 9th powers.at n=10A003391
• Numbers that are the sum of at most 2 positive 9th powers.at n=16A004886
• a(n) = sigma_9(n), the sum of the 9th powers of the divisors of n.at n=4A013957
• Numerator of sum of -9th powers of divisors of n.at n=4A017681
• Numbers k such that k^2 is palindromic in base 5.at n=36A029988
• a(n) = 5^n + 1.at n=9A034474
• Sums of two distinct powers of 5.at n=36A038474
• Numbers whose cube is palindromic in base 5.at n=10A046233
• Numbers of the form (5^{mr}-1)/(5^r-1) for positive integers m, r.at n=21A076284
• a(n) = sigma_9(2n-1).at n=2A081866
• a(n) = Sum_{0<d|n, n/d odd} d^9.at n=4A096962
• a(n) = smallest number that leads to a new cycle under the base-5 Kaprekar map of A165032.at n=9A165048
• a(n) = 5^n-(-1)^n.at n=9A274072
• Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = Sum_{d|n} d^(n+k).at n=40A308504
• a(n) = Sum_{d|n} d^(3*(d-2)).at n=4A308757
• a(n) = Sum_{d|n} (-1)^(d-1)*d^9.at n=4A321548
• a(n) = Sum_{d|n} (-1)^(n/d+1)*d^9.at n=4A321554
• a(n) = Sum_{d divides n} (-1)^(d + n/d) * d^9.at n=4A321565
• Sum of 9th powers of odd divisors of n.at n=4A321813
• Sum of 9th powers of odd divisors of n.at n=9A321813