48928105

Appears in sequences

• a(n+1) = (a(n)^2 + a(n-1)^2)/a(n-2), with a(1) = a(2) = a(3) = 1.at n=8A064098
• Markov numbers that are semiprime.at n=23A182585
• 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=17A327345
• Alternative version of the Markov tree A327345.at n=25A368546