55303

Appears in sequences

• Expansion of (1+12*x+28*x^2+12*x^3+x^4)/(1-x)^5.at n=12A160767
• a(n) is the numerator of f(n) where f(n) = 1/n for n <= 2 and f(2n) = f(n-1)*f(n+1)+1, and f(2n+1) = f(n)*f(n+1)+1 for n > 2.at n=26A338637
• Numbers k such that A224787(k) - k is a square.at n=43A385238