189737958

Appears in sequences

• Number of vertices of degree n in all Lucas cubes.at n=19A258121
• a(n) = 3*a(n-2) - a(n-4) for n > 3, with a(0)=4, a(1)=3, a(2)=a(3)=6, a sequence related to bisections of Fibonacci numbers.at n=39A292616