40087

Properties

Appears in sequences

• Numbers n such that prime(n) == -1 (mod n).at n=13A045924
• Duplicate of A045924.at n=13A049204
• Primes p such that gcd(p, prime(p)^2 - 1) does not equal 1.at n=4A064936
• Numbers n such that p(n) is congruent to EulerPhi(n) mod n, where p(n) denotes the n-th prime.at n=4A066685
• Numbers n such that Fibonacci(n) == prime(n) (mod n).at n=12A076519
• Numbers k that divide prime(k)+1 or prime(k)-1.at n=21A078931
• Numbers n such that n is the largest prime factor of 1 + prime(n).at n=2A101445
• Numbers k such that prime(k + 1) == 7 (mod k).at n=14A105421
• a(n) is the smallest number m such that prime(m) = n*m - 1, or 0 if no such m exists.at n=11A108511
• Integers k such that sigma(k) + prime(k) is divisible by k.at n=7A111360
• List of triples of primes with common difference 24.at n=5A128383
• Primes p such that continued fraction of (1 + sqrt(p))/2 has period 12 : primes in A146336.at n=24A146357
• 529n^2 - 312n + 46.at n=9A156841
• Number of partitions of n containing a clique of size 3.at n=43A183560
• 4-nonnesting permutations.at n=7A193935
• Prime values of pi(n) that divide n.at n=8A256394
• Primes in A239237.at n=29A361252
• Prime numbers that precede and follow consecutive balanced primes.at n=2A374507
• Primes having only {0, 4, 7, 8} as digits.at n=19A386074
• Prime numbersat n=4210