2152089

Appears in sequences

• a(n) = (F(n+1)+L(n)+n)^2 where F(n) are the Fibonacci numbers (A000045) and L(n) are the Lucas numbers (A000032).at n=14A014718
• Pseudo-powers to base 3: numbers k that are not powers of 3 such that k divides 2^k + 1.at n=33A016057
• Primitive pseudo-powers to base 3.at n=9A016058