80646

Appears in sequences

• Triangle of numbers, called Y(1,2), related to generalized Catalan numbers A062992(n) = C(2;n+1) = A064062(n+1).at n=34A115195
• Generalized Markoff numbers: largest of 7-tuple of positive numbers a, b, c, d, e, f, g satisfying the Markoff(7) equation a^2+b^2+c^2+d^2+e^2+f^2+g^2 = 7abcdefg.at n=8A227214
• Number of compositions of n whose non-adjacent parts are weakly decreasing.at n=33A333148