892145817

Appears in sequences

• Primitive elements of the sequence of integers n such that n divides 2^n + 1 (A006521).at n=15A136473
• Numbers k such that k^2 divides 8^k + 1.at n=14A292333
• Numbers k such that 2^(2^k+1) == -1 (mod k^2).at n=10A377026