-8472

Appears in sequences

• G.f. satisfies: A(x) = 1/(1 + x*A(x^4)) and also the continued fraction: 1 + x*A(x^5) = [1; 1/x, 1/x^4, 1/x^16, 1/x^64, ..., 1/x^(4^(n-1)), ...].at n=54A101914
• Negative integers n such that in balanced ternary representation the number of occurrences of each trit doubles when n is squared.at n=21A257868