127873

Properties

Appears in sequences

• Primes arising in A083989.at n=13A083990
• 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, -1), (-1, -1, 1), (-1, 0, 1), (-1, 1, 1), (1, 1, 0)}.at n=11A149090
• Least prime of three consecutive primes (p1,p2,p3) such that p2-p1 and p3-p2 are both perfect squares.at n=31A161002
• Second differences of A000219.at n=24A191660
• Odd integers k>=5 such that 2^((k-1)/2)-1 == 0 (mod k*(k-3)/2).at n=11A337848
• Primes p such that p+4, 3*p+4 and 3*p+8 are also prime.at n=38A352170
• a(n) is the largest prime factor of n*2^n-1.at n=33A367003
• Prime numbersat n=11979