121711

Properties

Appears in sequences

• Primes arising in A036976.at n=23A036977
• Primes arising in A036978.at n=28A036979
• Number of primitive (period n) step cyclic shifted sequences using exactly three different symbols.at n=14A056425
• Expansion of (x^2-x-1)*(x^3-x^2+x-2) / ((x-1)*(2*x-1)*(x^2+x+1)*(x^2+1)).at n=16A109784
• Number of branches in all hex trees with n edges (n>=1).at n=7A126180
• Primes of the form 2*n^2 + 82*n + 39.at n=25A217620
• The number of edges formed on an isosceles triangle by straight line segments mutually connecting all vertices and all points that divide the two equal length sides into n equal parts; the base of the triangle contains no points other than its vertices.at n=22A333027
• Prime numbersat n=11455