143261

Properties

Appears in sequences

• Primes p of the form k*(k + 1) - 1 such that p and p + 2 are twin primes.at n=38A088486
• Primes of the form p^2 - p - 1, where p is prime.at n=24A091568
• Primes of the form p^k - p^(k-1) - 1, with p prime and k>1.at n=39A122395
• Number of ON cells at n-th stage of three-dimensional version of the cellular automaton A160117 using cubes.at n=30A160379
• Numbers k such that C(k+2,2) divides 2^(k+1) - 1.at n=31A246636
• Primes p with p-1, p+1, prime(p)-1 and prime(p)+1 all practical.at n=18A257924
• Primes p such that Euler(p, 1) is an integer multiple of Bernoulli(p + 1, 1).at n=30A341759
• Prime numbersat n=13282