314262

Appears in sequences

• Integers y such that for some integer x we have uphi(x) = uphi(y) = x-y, where uphi(n) = A047994(n) is the unitary totient function: If n = Product p_i^e_i, uphi(n) = Product (p_i^e_i - 1).at n=30A067741
• Number of (w,x,y,z) with all terms in {1,...,n} and w>=2x and y<3z.at n=35A212520
• Expansion of a(q) / b(q) in powers of q where a(), b() are cubic AGM theta functions.at n=16A215690
• Irregular triangular array, read by rows: row n shows the coefficients of the polynomial p(n,x) defined in Comments.at n=38A329430