70457

Properties

Appears in sequences

• Primes p such that 8p +1 and (p-1)/8 are primes.at n=22A085958
• Numbers n with property that n^2 starts and ends with 49.at n=33A159815
• Number of 2 X 2 matrices having all terms in {1,...,n} and determinant in the closed interval [0,n].at n=33A211057
• Primes p such that 100p-1, 100p-3, 100p-7, and 100p-9 are all prime.at n=12A243409
• Numbers k such that (266*10^k + 1)/3 is prime.at n=36A269303
• The number of exponentially odd numbers <= 10^n.at n=5A322416
• Prime numbersat n=6981