31870

Appears in sequences

• "CGK" (necklace, element, unlabeled) transform of 1,2,3,4,...at n=16A032158
• Defined by Product 1/(1-x^k)^a_k, k=1..infinity = 1+x+2*Sum(a_k*x^k, k=2..infinity).at n=10A056198
• Number of n-digit 6th powers.at n=29A216656
• Smallest k such that A002522(k) and A002522(k+2n) are successive primes of the form m^2+1.at n=31A245463
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 483", based on the 5-celled von Neumann neighborhood.at n=28A288590
• G.f. A(x) satisfies: A(x) = Sum_{n>=0} x^n * A(x)^n / (1 - x^(2*n+1)/A(x)).at n=10A341380
• Indices k such that the determinant of the 3 X 3 Hankel matrix of consecutive primes starting at prime(k) is 0.at n=29A392523