42773

Properties

Appears in sequences

• Number of positive integers <= 2^n of the form x^2 + 5*y^2.at n=18A054150
• Primes that are the sum of all composite numbers in-between prime numbers p(n) and p(n+2).at n=34A174521
• Primes of the form (24*p + 1)/5, where p is a Fermat pseudoprime to base 2.at n=5A218010
• Smallest of three consecutive primes in arithmetic progression with common difference 24 and digit sum prime.at n=36A253140
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 389", based on the 5-celled von Neumann neighborhood.at n=40A271596
• Primes p such that p-1 is a partial sum of A014574.at n=19A343711
• a(n) = p(n^2*p(n)), where p(x) is the least prime > x.at n=34A378137
• Number of multisets summing to n that do not contain 1 and are not the first sums of any multiset.at n=52A390431
• Prime numbersat n=4473