262153

Properties

Appears in sequences

• Sums of 3 distinct powers of 8.at n=20A038485
• Primes of form 2^x + 2^y + 1.at n=41A070739
• Primes which can be expressed as sums of distinct powers of 8.at n=9A077722
• Primes of the form 2^i + 2^j + 1, i > j > 0.at n=36A081091
• a(n) is the least number m such that (m+n)!/m! = (m+1)*(m+2)*...*(m+n) divides lcm(1,...,m).at n=19A082093
• Primes whose representation in base 256 can be interpreted as a decimal prime.at n=31A090719
• Primes whose representation in base 512 can be interpreted as a decimal prime.at n=12A090720
• Primes of the form 2^k + 9.at n=8A104070
• Primes of the form 4^k + k.at n=2A129963
• a(n) = 2^n + ceiling(n/2).at n=18A134522
• Primes of the form 8^k + 9.at n=3A145440
• a(n) = 4^n + n.at n=9A158879
• a(n) = 2^n + 9.at n=18A188165
• Primes of the form n^3 + 9.at n=13A201262
• Numbers of the form 8^j + 9^k, for j and k >= 0.at n=37A226832
• Primes of the form 4^k + 9.at n=3A228027
• Primes whose base-8 representation also is the base-2 representation of a prime.at n=9A235465
• Primes whose base-8 representation also is the base-3 representation of a prime.at n=20A235471
• a(n) is the smallest k > 2^n such that 2^(k-1) == 1 (mod (2^n-1)*k).at n=17A307512
• Square array A(n,k), n >= 1, k >= 0, read by antidiagonals, where A(n,k) is Sum_{d|n} d^(k*(d-1)).at n=24A308701