132339

Appears in sequences

• a(0) = 1, a(1) = 4, and a(n) = a(n-1) + a(n-2) for n >= 2.at n=23A000285
• Number of walks on cubic lattice (starting from origin and not going below xy plane).at n=7A005573
• Fibonacci sequence with initial values a(0) = 3 and a(1) = 1.at n=24A104449
• Values of x in the solutions to x^2 - 3xy + y^2 + 11 = 0, where 0 < x < y.at n=23A237132
• Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of e.g.f. exp(k*x)*(BesselI(0,2*x) + BesselI(1,2*x)).at n=73A292630
• Triangle read by rows: T(n,k) = number of connected quartic graphs on n vertices with crossing number k for n >= 1, k >= 0.at n=66A390644