44109

Appears in sequences

• Numbers k that can be expressed as k = w + x = y*z with w*x = y^2 + z^2 where w, x, y, and z are all positive integers.at n=21A057373
• G.f. sum{k>=0, (x^2/(1-x)^3)^(2^k-1)}.at n=16A119971
• a(n) = 29*n^2.at n=39A244635
• For the numbers k that can be expressed as k = w+x = y*z with w*x = (y+z)^2 where w, x, y, and z are all positive integers, this sequence gives the corresponding values of y+z.at n=36A343860
• Numbers whose numerator and denominator of their abundancy index are both Fibonacci numbers.at n=22A349687