2130440
domain: N
Appears in sequences
- Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 1,0.at n=7A033118
- Numbers whose base-8 representation has exactly 8 runs.at n=0A043630
- Base-2 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0,0,0,0.at n=21A195904
- a(n) = Sum_{k=0..n} n^k * |(n - k | k)|, where (a | b) denotes the Kronecker symbol.at n=8A367546
- a(n) = n*sigma_6(n).at n=8A386750