53047

Properties

Appears in sequences

• Primes of the form 5*k^2 + 2, k >= 0.at n=17A201481
• Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.at n=32A239844
• Median of primes with n decimal digits.at n=4A309329
• If there are m primes between 10^(n-1) and 10^n, a(n) is the middle prime if m is odd, otherwise the larger of the two middle primes.at n=4A328032
• Prime numbersat n=5411