130729

Properties

Appears in sequences

• Numbers whose least quadratic nonresidue (A020649) is 23.at n=17A025028
• Primes with 29 as smallest positive primitive root.at n=20A061733
• a(n) = prime(prime(A096480(n))).at n=19A096482
• Odd numbers k for which 23 is the smallest positive i with Jacobi symbol J(i,k) != 1.at n=24A112079
• Primes p such that q-p = 40, where q is the next prime after p.at n=34A126721
• Prime p1 of the form a^b - c^d = p1, where a, b, c, d are primes and a + b + c + d = p2, where p2 (A164062) is also prime.at n=15A164061
• Prime p1 of the form a^b - c^d = p1, where a, b, c, d are primes and a + b + c + d = p2, where p2 (A164064) is prime and conc(abcd) = p3 (concatenation of a, b, c, d) is also prime (A164065).at n=5A164063
• Primes of the form floor( (k*(sqrt(3)*k-1))/sqrt(2) ).at n=34A180449
• Fibonacci-type sequence based on bitwise inclusive-or: a(0) = 0, a(1) = 1 and a(n) = a(n-1) + (a(n-1) or a(n-2)).at n=17A182202
• Primes p such that the maximal length of a Buchi sequence in Z/pZ is less than the value of A124882 for that prime.at n=13A261404
• Number of nX3 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=24A317866
• Primes which are sums of a prime triple (p, p+4, p+6).at n=26A377406
• Prime numbersat n=12227