64567

Properties

Appears in sequences

• Numbers k such that 70*R_k + 3, where R_k = 11...1 is the repunit (A002275) of length k.at n=15A056689
• Primes p = prime(k) such that the decimal representation of p contains k as a substring.at n=2A075902
• Primes p such that pi(p) is obtained by dropping one of the digits of p in decimal expansion.at n=10A114924
• Primes that are congruent to 7 mod n, where n is the index of the prime.at n=8A171434
• Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 2 X n array.at n=22A220011
• Primes p such that pi(p) = floor(p/10), where pi is the prime counting function.at n=1A236469
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 475", based on the 5-celled von Neumann neighborhood.at n=36A288500
• a(n) = Sum_{j=1..n} A003718(j-1)*prime(j).at n=41A342604
• Primes in A342604.at n=8A342606
• Primes associated with the indices in A362060.at n=10A362066
• Prime numbersat n=6456