263672645

Appears in sequences

• a(n) = floor((1+sqrt(2))^n).at n=22A080039
• Main diagonal of triangle A100226.at n=22A100227
• 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=32A174504
• Number of independent vertex sets in the Moebius ladder graph with 2n nodes (n >= 0).at n=22A182143
• a(0)=3, a(1)=5, a(2)=35; a(n) = 5*a(n-1) + 5*a(n-2) - a(n-3) for n > 2.at n=11A383720