70921

Properties

Appears in sequences

• Let p = n-th irregular prime, A000928(n). Then a(n) = smallest value of m such that numerator(Bernoulli(2*m)/(2*m)) / numerator(Bernoulli(2*m)/(2*m*(2*m-1))) equals p.at n=59A092291
• 288*n^2 - 168*n - 119.at n=15A118059
• Primes of the form x^2 + 18480*y^2.at n=12A173274
• Primes that yield squares after deletion of their zero digits.at n=26A321151
• Primes that are the first in a run of exactly 4 emirps.at n=22A346024
• Prime numbersat n=7023