189947

Properties

Appears in sequences

• From a Goldbach conjecture: the location of records in A185091.at n=17A002091
• Lower of twin primes (p,p+2) such that (p*(p+2))^2 + p^2 - (p+2)^2 and (p*(p+2))^2 - p^2 + (p+2)^2 are both prime.at n=16A079812
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, -1, 1), (-1, 1, 1), (1, 0, 1), (1, 1, -1)}.at n=10A149023
• Odd numbers n>5 in the representation n=2*p+q, p, q prime, q minimal, at which a larger q than for any smaller n is needed. A194829 gives values of q.at n=19A194828
• Smallest prime p of the form p = 3^n + k, where k has n prime divisors counted with multiplicity.at n=11A212821
• Prime numbersat n=17163