25679

Properties

Appears in sequences

• Numbers k such that 17^k - 16 is prime.at n=8A034922
• Quotients A128356(n)/prime(n).at n=11A128357
• Quotients A128452(p+1)/p for prime p = A000040(n).at n=11A128456
• 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, 0, 1), (0, 0, -1), (1, 0, -1), (1, 1, 1)}.at n=8A149723
• Primes of the form 3*n^2 - 3*n + 11.at n=41A153502
• Primes of the form (2+n)*(1+2*n)+(1+n)*(2+2*n).at n=22A171748
• Primes p such that 17^p - 16 is also prime.at n=3A174270
• Primes p of the form p = A161671(k) = A161671(k+1).at n=26A220220
• Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..2 array extended with zeros and convolved with 1,4,6,4,1.at n=22A221993
• Primes p for which exactly five bases b with 1 < b < p exist such that p is a base b Wieferich prime.at n=10A255208
• Primes p such that Sum_{k=primes<p} (k mod p) and Sum_{k=primes<p} (p mod k) are both prime.at n=13A274025
• Primes p that remain prime through 3 iterations of function f(x) = 6x - 1.at n=26A289109
• Number of partitions of n such that 5*(greatest part) >= (number of parts).at n=37A347869
• Primes p == 3 (mod 4) such that the multiplicative order of 2+-i modulo p in Gaussian integers (A385165) is not divisible by 2 or 3.at n=31A385188
• Prime numbersat n=2829