147057

Appears in sequences

• Number of distinct solutions of sum{i=1..5}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 2..n-2.at n=11A180828
• G.f. A(x) satisfies A(x) = (1 + x*A(x))*(1 + x^3*A(x)^3).at n=14A198951
• Index position of {3}^n within the list of partitions of 3n in canonical ordering.at n=16A332720
• G.f. A(x) satisfies: A(x) = 1 + x + x^2 + x^3 + x^4 * A(x/(1 - 2*x)) / (1 - 2*x).at n=14A351343