148831

Appears in sequences

• Small rhombicosidodecahedron with faces of centered polygons.at n=15A193251
• Indices of primes in the 7th-order Fibonacci number sequence, A060455.at n=50A253318
• a(n) = (-1)^n*(n + 1)*(5*n^2 + 10*n + 1).at n=30A271532
• Magic numbers of anti-Mackay icosahedra.at n=33A277131
• a(n) = n*Fibonacci(n-2) + ((-1)^n + 1)/2.at n=22A323812
• a(n) = Sum_{1 <= x_1, x_2, x_3, x_4 <= n} gcd(x_1, x_2, x_3, x_4, n)^4.at n=13A372931