3055104

Appears in sequences

• Theta series of laminated lattice LAMBDA_10.at n=23A006909
• Expansion of g.f. 8/(1+sqrt(1-8*x))^3.at n=8A085687
• Riordan array (1/(1+2xc(-2x)),xc(-2x)/(1+2xc(-2x))), c(x) the g.f. of A000108.at n=46A114193
• Riordan array (c(2x)^2,xc(2x)), c(x) the g.f. of A000108.at n=46A167432
• Number of 5-cycles in the n-triangular graph.at n=16A290939
• G.f. A(x) satisfies: A(x) = 1 / (1 - 3*x - x * A(2*x)).at n=6A348904