228485

Appears in sequences

• a(n) = floor((1+sqrt(2))^n).at n=14A080039
• Main diagonal of triangle A100226.at n=14A100227
• 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=20A174504
• Number of independent vertex sets in the Moebius ladder graph with 2n nodes (n >= 0).at n=14A182143
• Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.at n=5A316379
• Number of n X 6 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.at n=3A316381
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.at n=39A316383
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3, 4, 6 or 8 king-move adjacent elements, with upper left element zero.at n=41A316383
• 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=7A383720
• Square array A(n,k), n>=0, k>=0, read by antidiagonals downwards, where column k is the expansion of g.f. x/(1 - A002203(k)*x + (-1)^k*x^2).at n=58A383742
• Number of maximal irredundant sets in the n-double cone graph.at n=15A392237