263167

Properties

Appears in sequences

• Primes of the form (2^n + 1)^2 - 2 = 4^n + 2^(n+1) - 1.at n=6A091514
• a(n) = (2^n + 1)^2 - 2.at n=8A093069
• Smallest m such that A116361(m) = n.at n=19A116362
• Expansion of x*(2 - 7*x + 2*x^2)/((1-x)*(1-4*x)*(1-2*x)).at n=9A130567
• Lesser of a pair (p,p+4) of cousin primes whose arithmetic mean p+2 is a square number.at n=14A176130
• Primes of the form 9n^2 - 2.at n=33A201860
• Primes of the form 4^k + 4^m - 1, where k and m are positive integers.at n=24A234310
• Primes of the form m = 2^i + 2^j - 1, where i > j >= 0.at n=49A239712
• Primes of the form m = 4^i + 4^j - 1, where i > j >= 0.at n=19A239714
• Primes p where q = p + 4 is also prime and rad((p+1)(p+2)(p+3)) < pq, where rad(k) is the largest squarefree number dividing k.at n=22A268350
• Primes of the form q*2^h - 1, where q is a Fermat prime.at n=20A336116
• Prime numbersat n=23079