1905632

Appears in sequences

• a(n) = 8*a(n-1) - a(n-2); a(0) = 0, a(1) = 1.at n=8A001090
• Denominators of continued fraction convergents to sqrt(15).at n=15A041023
• Denominators of continued fraction convergents to sqrt(135).at n=21A041247
• Denominators of continued fraction convergents to sqrt(375).at n=15A041711
• Denominators of the continued fraction n-1/(n-1/...) [n times].at n=7A097691
• Union of A057080 and A001090.at n=15A177187
• 128*n^7-192*n^5+80*n^3-8*n.at n=4A242852