499393
domain: N
Appears in sequences
- Markoff (or Markov) numbers: union of positive integers x, y, z satisfying x^2 + y^2 + z^2 = 3*x*y*z.at n=36A002559
- Non-Fibonacci Markoff numbers.at n=22A111032
- Markov numbers that are semiprime.at n=10A182585
- Hypotenuses of primitive Pythagorean triples in A195538 and A195539.at n=6A195540
- Composite Markoff numbers.at n=19A256395
- Irregular triangle read by rows: Maximal numbers of the Markoff triples at level L of the Markoff tree, with members of the triples ordered increasingly.at n=23A327345
- Alternative version of the Markov tree A327345.at n=29A368546
- The odd Markoff numbers.at n=27A388291