68161

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 8x + 3.at n=18A023292
• Numbers k such that 113*2^k+1 is prime.at n=22A032406
• Number of 3X3X3 triangular 0..n arrays with every horizontal row having the same average value.at n=21A214596
• Primes of the form T(k) + S(k) + 1 where T(k) is the k-th triangular number and S(k) is the k-th square number.at n=39A229080
• a(n) = 16*n^3 + 10*n^2 + 4*n + 1.at n=16A272130
• Number of integer partitions of n containing three parts (a,b,c) (repeats allowed) such that a + b = c. A variation of sum-full partitions.at n=44A363225
• Primes having only {1, 6, 8} as digits.at n=25A385782
• Prime numbersat n=6786