28929

Appears in sequences

• Numbers k such that binomial(5k, k) - 1 is prime.at n=16A125242
• Numbers which do not reach zero under either of the iterations: x -> floor(sqrt(x)) * (x - floor(sqrt(x))^2) or y -> ceiling(sqrt(y)) * (ceiling(sqrt(y))^2 - y).at n=33A219963
• Sum_{i=1..n} Sum_{j=1..n} (i OR j), where OR is the binary logical OR operator.at n=33A258438
• Pierce Expansion of tan(1).at n=13A280092
• Expansion of Product_{k>=1} 1/(1 - k*x^k)^sigma(k), where sigma = A000203.at n=10A318483
• Expansion of Sum_{k>=1} x^k * (1 + k * x^k)^k.at n=31A327249
• Expansion of Product_{k>=0} 1 / (1 - x^(3^k))^3.at n=29A374627