64040

Appears in sequences

• a(n) = n OR n^3 (applied to binary expansions).at n=39A008468
• a(n) = n^3 + n.at n=40A034262
• Numbers k such that 60*R_k + 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=27A056658
• a(n) = n*(n^2 + 1) if n is even, otherwise (n - 1/2)*(n^2 + 1).at n=40A071289
• a(n) = 8000*n + 40.at n=7A157663
• a(n) = n + [n^2 if n is odd or n^3 if n is even].at n=39A181427
• Number of composite k-Lehmer numbers up to 10^n.at n=8A234958
• a(n) = n XOR n^3.at n=40A261807
• a(n) = Sum_{k=1..n} phi(gcd(k, n))^3.at n=40A342535
• Numbers k such that k = m*(m^2 + 1) where m^2 + 1 is prime.at n=11A382617