74257

Properties

Appears in sequences

• Second term p(m) of strong prime sextets: p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2) > p(m+4)-p(m+3).at n=21A054814
• Sixth term of weak prime sextet: p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1).at n=26A054833
• Prime numbers p for which none of its digits appear in the decimal expansion of p/pi(p).at n=31A117272
• E.g.f. satisfies: A(x) = exp(x*A(sin(x^2))).at n=8A141626
• Primes the squares of which are Fibbinary numbers (A003714).at n=43A144759
• Noncomposite numbers in the southwestern ray of the Ulam spiral as oriented on the March 1964 cover of Scientific American.at n=31A168026
• Variant of Sylvester's sequence: a(n + 1) = a(n)^2 - a(n) + 1, with a(1) = 17.at n=2A179093
• Primes of the form 7n^2 - 6.at n=10A201852
• Maximal prime written in decimal among the base-k representations of the n-th prime, read in base 16, for k=2,3,...,16.at n=36A253549
• Prime numbers of the form k*(k+1) + (k*(k+1))^2 + 1.at n=6A255314
• Prime numbersat n=7326