-3989

Appears in sequences

• Primes or negative values of primes in the sequence b(n) = 47*n^2 - 1701*n + 10181, n >= 0.at n=13A050267
• Expansion of (1-x+sqrt(1-2x+5x^2))/(2(1-x)^2).at n=19A134920
• a(n) = 111*n^2 - 3123*n + 10753.at n=6A211607
• G.f. A(x,y) satisfies: A(x,y) = x * (1 + y*A(x,y)*A'(x,y)) / (1 + A(x,y)*A'(x,y)), where A'(x,y) = d/dx A(x,y).at n=19A301930