57781

Properties

Appears in sequences

• Expansion of e.g.f. sinh(exp(x)-1).at n=10A024429
• Prime number spiral (clockwise, Southwest spoke).at n=38A054568
• Third term of strong prime sextets: p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2).at n=18A054815
• Primes p such that x^27 = 2 has no solution mod p, but x^9 = 2 has a solution mod p.at n=24A059354
• Primes p such that x^9 = 2 has a solution mod p, but x^(9^2) = 2 has no solution mod p.at n=26A070185
• Number of ordered quintuples (a,b,c,d,e) with gcd(a,b,c,d,e)=1 (1<= {a,b,c,d,e} <= n).at n=8A082544
• Number of partitions of an n-set with odd number of even blocks.at n=9A096648
• Primes of the form 5*p^2+5*p+1, where p is a prime.at n=14A225874
• Numbers k such that A361338(k) = 10.at n=33A361349
• Prime numbersat n=5853