44983

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 8x + 5.at n=35A023293
• a(n) = 1 + n*(n+1)*(n^2-n+12)/12.at n=27A136396
• The smallest A(m) such that the interval (A(m)*n, A(m+1)*n) contains exactly one element of A, where A is the sequence of primes p for which p-2 is not prime.at n=28A201828
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 805", based on the 5-celled von Neumann neighborhood.at n=33A273604
• Prime numbers p such that the set of composite numbers in the range [p+1, nextprime(p)-1] has more than one element and all the elements have the same number of divisors.at n=7A332740
• a(n) = Sum_{k=0..n} 2^(n-k) * binomial(3*n+1,k) * binomial(3*n-k,n-k).at n=4A385667
• Prime numbersat n=4674