24019

Properties

Appears in sequences

• Primes of the form n^2 - 6.at n=24A028880
• "AGK" (ordered, elements, unlabeled) transform of 2,1,1,1,...at n=22A032024
• Numbers k such that 4^k - 3^k is prime.at n=16A059801
• Irregular primes with irregularity index three.at n=33A060975
• First term in the continued fraction expansion of StieltjesGamma[n].at n=58A066035
• Smallest prime with same leading digits as 7^n.at n=4A068847
• a(1)=1. a(n) = a(n-1)th integer from among those positive integers which do not occur earlier in the sequence and which are coprime to n.at n=16A121219
• Primes p such that p+p^2+p^3-+2 are also prime.at n=38A154821
• Primes p such that (p-1)*p*(p+1)-p+2 and (p-1)*p*(p+1)+p-2 are primes.at n=36A154944
• Number of permutations of length n which avoid the patterns 4213 and 1432.at n=9A165533
• Primes of the form 10n^2 + 9.at n=8A201711
• Primes whose binary and ternary representations are also prime when read in decimal.at n=31A236537
• Numbers n such that 4^n + (-3)^n is prime.at n=18A286348
• Number of different ways a grasshopper can take n hops without landing on the same point more than once.at n=25A321535
• Primes that can be constructed by concatenating two squares >= 4.at n=21A345314
• Discriminants of imaginary quadratic fields with class number 33 (negated).at n=34A351671
• Prime numbersat n=2671