45239073
domain: N
Appears in sequences
- a(n) = floor((1+sqrt(2))^n).at n=20A080039
- Main diagonal of triangle A100226.at n=20A100227
- Continued fraction expansion for exp( Sum_{n>=1} 1/(n*A002203(n)) ), where A002203(n) = (1+sqrt(2))^n + (1-sqrt(2))^n.at n=29A174504
- Number of independent vertex sets in the Moebius ladder graph with 2n nodes (n >= 0).at n=20A182143