134480385
domain: N
Appears in sequences
- a(n) = sigma_9(n), the sum of the 9th powers of the divisors of n.at n=7A013957
- Numerator of sum of -9th powers of divisors of n.at n=7A017681
- Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0.at n=9A033144
- Sum of n-th powers of divisors of 8.at n=9A034496
- Numbers of the form (8^{mr}-1)/(8^r-1) for positive integers m, r.at n=22A076287
- a(n) = Sum_{d|n} d^(n+1).at n=7A294645
- Square array A(n,k), n >= 1, k >= 0, read by antidiagonals: A(n,k) = Sum_{d|n} d^(n+k).at n=43A308504