63228

Appears in sequences

• a(n+2) = F(n)*a(n+1) + F(n+1)*a(n) where F(n) = Fibonacci number (A000045) and a(0) = a(1) = 1.at n=9A089127
• a(n) = n * A056219(n+1).at n=32A166869
• Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic nonresidues mod p.at n=23A282043
• Number of regions formed when n equally spaced points are placed around a circle and all pairs of points are joined by an interior arc whose radius equals the circle's radius.at n=32A371253