320215

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 97 ones.at n=16A031865
• Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,4,1,2 for x=0,1,2,3,4.at n=17A196141
• G.f. A(x) satisfies A(x) = 1 + x/(1-x^2)^3 * A(x)^2.at n=11A390102