1331713

Appears in sequences

• a(n) = floor((1+sqrt(2))^n).at n=16A080039
• Main diagonal of triangle A100226.at n=16A100227
• a(n+1) = a(n)^2 + 2*a(n) - 2 and a(1) = 5.at n=3A145505
• 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=23A174504
• Number of independent vertex sets in the Moebius ladder graph with 2n nodes (n >= 0).at n=16A182143