Timeline for prime numbers and Pythagorean triplets
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 6, 2011 at 2:01 | vote | accept | Vassilis Parassidis | ||
| Oct 5, 2011 at 16:03 | comment | added | Barry Cipra | See oeis.org/A048161 | |
| Oct 5, 2011 at 15:52 | comment | added | Faisal | Also, letting $p=2n+1$ we find that $2n^2+2n+1=\frac{p^2+1}{2}$. So you're basically looking for odd primes $p$ such that $\frac{p^2+1}{2}$ is also prime. | |
| Oct 5, 2011 at 15:46 | comment | added | user9072 | @Cam: thank for adding this information. A very general conjecture from which this would follow is Schinzel's Hypothesis H en.wikipedia.org/wiki/Schinzel's_hypothesis_H | |
| Oct 5, 2011 at 15:41 | comment | added | Cam McLeman | ...which, in turn, probably happens infinitely often, but this is unknown. | |
| Oct 5, 2011 at 15:35 | history | answered | user9072 | CC BY-SA 3.0 |