524326
domain: N
Appears in sequences
- a(0)=0; for n>0, a(n) = Sum_{d|n} d*2^(n/d).at n=19A054598
- Sum_{d|n, d odd} d*2^(n/d).at n=19A054600
- Number of 2 X n 0-1 matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1), (01;0), (10;0) and (01;1).at n=19A100314
- Duplicate of A100314.at n=19A131831
- Expansion of 1/((1-x)^2*(1-2*x+2*x^2)).at n=35A279230
- a(n) = Sum_{d|n, d odd} (n/d)^d.at n=37A333823