453533

Appears in sequences

• a(n) = 2*a(n-1) - a(n-2) + a(n-4) for n>3, a(0)=2, a(1)=3, a(2)=5, a(3)=7, a sequence related to Lucas numbers.at n=26A291660
• Number of binary strings of length n that contain at least one maximal run of ones of even length.at n=19A387332