23917

Properties

Appears in sequences

• Primes that are palindromic in base 12.at n=34A029979
• Number of different relations between n intervals on a line.at n=4A055203
• Prime(n) and prime(n+3) use the same digits.at n=28A069795
• Least odd prime p such that p*2^(2^n)+1 is prime.at n=12A187419
• Primes dividing nonzero terms in A003095: the iterates of x^2 + 1 starting at 0.at n=47A247981
• Number A(n,k) of lattice paths from {n}^k to {0}^k using steps that decrement one or more components by one; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=23A262809
• Number of lattice paths from (n,n,n,n) to (0,0,0,0) using steps that decrement one or more components by one.at n=2A263064
• Primes p such that q1=6*p-1 and q2=6*p+1 are also primes (twin primes) and q1 is a Sophie Germain prime (i.e., 2*q1+1 is prime).at n=21A358381
• Prime numbersat n=2662