38651

Properties

Appears in sequences

• Numbers whose base-14 representation has exactly 5 runs.at n=23A043666
• Values of A (the short leg) of a Pythagorean triangle with A and C (the hypotenuse) both prime and part of a twin prime.at n=40A051642
• Primes which remain prime after one and after two applications of the rotate-and-add operation of A086002.at n=33A086003
• Number of separated bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).at n=9A121162
• Primes p of the form 4*k+3 such that p+2 is prime and p-1 is nonsquarefree.at n=32A175606
• Primes of the form p^2 + 2q^2 with p and q odd primes.at n=37A201613
• Primes p such that p = q^2 + 2*r^2 where q and r are also primes.at n=38A260553
• Number of integer partitions of n such that every orderless pair of distinct parts has a different sum.at n=45A325857
• a(n) = n*A340339(n)+b, where b = 1 if n is even or 2 if n is odd.at n=38A340340
• Expansion of 1 / ((1-x)^2 - x^5)^2.at n=18A392553
• Prime numbersat n=4071