281820

Appears in sequences

• a(n) = sqrt((x^2 - y^2)*x*y/c) where x is A364108(n), y is A364109(n) and c is A006991(n).at n=26A364110
• G.f. satisfies A(x) = 1 + 2*x + x^3*A(x)^3.at n=17A367073