37253

Properties

Appears in sequences

• Primes of form k^2 + 4.at n=33A005473
• Primes of the form p^2 + 4, where p is prime.at n=14A045637
• Smaller of a pair of consecutive primes having only prime digits.at n=21A082755
• Primes p giving prime quadruples (30p+11, 30p+13, 30p+17, 30p+19).at n=16A087771
• Primes arising in A088097.at n=2A088098
• Primes p such that p-3 and p+3 are divisible by a cube.at n=34A089201
• Primes of the form n^2 + 4n + 8.at n=32A098062
• Primes with at least one of each prime digit.at n=26A108419
• Primes with a prime number of digits and using all of the prime digits 2, 3, 5, 7 at least once and no other digits.at n=18A153770
• Prime p of the form a^b + c^d = p, where a, b, c, d are also primes.at n=34A164074
• 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 (A164076) is also prime.at n=18A164075
• List of primes of the form x^2+y^2 such that tau(x^2+y^2) = bigomega(x*y).at n=23A174024
• Values of q in A176983.at n=14A177831
• a(1)=5; thereafter a(2n) = nextprime(a(2n-1)^2), a(2n+1) = nextprime(floor(2*a(2n)/(a(2n-1) + 1))) where nextprime(.) is A007918(.).at n=11A181616
• G.f.: A(x) = Sum_{n>=0} x^n * A(x)^(n*(n+1)/2) * (1 - A(x)^(n+1))/(1 - A(x)).at n=6A199543
• Number of (w,x,y,z) with all terms in {1,...,n} and w*x>3*y*z.at n=20A211918
• Number of isomorphism classes of reduced Witt rings of fields with 2n orderings.at n=23A213331
• Number of isomorphism classes of reduced Witt rings of fields with n orderings.at n=47A213332
• Number of isomorphism classes of reduced Witt rings of fields with n orderings.at n=48A213332
• Primes having primitive roots 2, 3, 5, 7, 11, and 13.at n=32A241047