206855

Appears in sequences

• Numbers k(n) used for Cassels's Markoff forms MF(n) corresponding to the conjectured unique Markoff triples MT(n) with maximal entry m(n) = A002559(n), for n >= 1.at n=36A305310
• Characteristic numbers of Markov triples in the binary tree A368546.at n=29A368134